251016220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 748077120

約数和(自身を除く): 497060900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 19, 20, 26, 28, 34, 35, 38, 49, 52, 61, 65, 68, 70, 76, 85, 91, 95, 98, 119, 122, 130, 133, 140, 170, 182, 190, 196, 221, 238, 244, 245, 247, 260, 266, 305, 323, 340, 364, 380, 427, 442, 455, 476, 490, 494, 532, 595, 610, 637, 646, 665, 793, 833, 854, 884, 910, 931, 980, 988, 1037, 1105, 1159, 1190, 1220, 1235, 1274, 1292, 1330, 1547, 1586, 1615, 1666, 1708, 1729, 1820, 1862, 2074, 2135, 2210, 2261, 2318, 2380, 2470, 2548, 2660, 2989, 3094, 3172, 3185, 3230, 3332, 3458, 3724, 3965, 4148, 4165, 4199, 4270, 4420, 4522, 4636, 4655, 4940, 5185, 5551, 5795, 5978, 6188, 6370, 6460, 6916, 7259, 7735, 7930, 8113, 8330, 8398, 8540, 8645, 9044, 9310, 10370, 10829, 11102, 11305, 11590, 11956, 12103, 12740, 13481, 14518, 14945, 15067, 15470, 15827, 15860, 16226, 16660, 16796, 17290, 18620, 19703, 20740, 20995, 21658, 22204, 22610, 23180, 24206, 26962, 27755, 29036, 29393, 29890, 30134, 30940, 31654, 32452, 34580, 36295, 38857, 39406, 40565, 41990, 43316, 45220, 48412, 50813, 53924, 54145, 55510, 56791, 58786, 59780, 60268, 60515, 63308, 67405, 72590, 75335, 77714, 78812, 79135, 81130, 83980, 94367, 98515, 101626, 105469, 108290, 111020, 113582, 117572, 121030, 134810, 137921, 145180, 146965, 150670, 155428, 158270, 162260, 188734, 194285, 197030, 203252, 205751, 210938, 216580, 227164, 242060, 254065, 256139, 269620, 275842, 283955, 293930, 301340, 316540, 377468, 388570, 394060, 411502, 421876, 471835, 508130, 512278, 527345, 551684, 567910, 587860, 660569, 689605, 738283, 777140, 823004, 943670, 965447, 1016260, 1024556, 1028755, 1054690, 1135820, 1280695, 1321138, 1379210, 1476566, 1792973, 1887340, 1930894, 2057510, 2109380, 2561390, 2642276, 2758420, 2953132, 3302845, 3585946, 3691415, 3861788, 4115020, 4827235, 5122780, 6605690, 7171892, 7382830, 8964865, 9654470, 12550811, 13211380, 14765660, 17929730, 19308940, 25101622, 35859460, 50203244, 62754055, 125508110, 251016220]

約数ペア:

[(1, 251016220), (2, 125508110), (4, 62754055), (5, 50203244), (7, 35859460), (10, 25101622), (13, 19308940), (14, 17929730), (17, 14765660), (19, 13211380), (20, 12550811), (26, 9654470), (28, 8964865), (34, 7382830), (35, 7171892), (38, 6605690), (49, 5122780), (52, 4827235), (61, 4115020), (65, 3861788), (68, 3691415), (70, 3585946), (76, 3302845), (85, 2953132), (91, 2758420), (95, 2642276), (98, 2561390), (119, 2109380), (122, 2057510), (130, 1930894), (133, 1887340), (140, 1792973), (170, 1476566), (182, 1379210), (190, 1321138), (196, 1280695), (221, 1135820), (238, 1054690), (244, 1028755), (245, 1024556), (247, 1016260), (260, 965447), (266, 943670), (305, 823004), (323, 777140), (340, 738283), (364, 689605), (380, 660569), (427, 587860), (442, 567910), (455, 551684), (476, 527345), (490, 512278), (494, 508130), (532, 471835), (595, 421876), (610, 411502), (637, 394060), (646, 388570), (665, 377468), (793, 316540), (833, 301340), (854, 293930), (884, 283955), (910, 275842), (931, 269620), (980, 256139), (988, 254065), (1037, 242060), (1105, 227164), (1159, 216580), (1190, 210938), (1220, 205751), (1235, 203252), (1274, 197030), (1292, 194285), (1330, 188734), (1547, 162260), (1586, 158270), (1615, 155428), (1666, 150670), (1708, 146965), (1729, 145180), (1820, 137921), (1862, 134810), (2074, 121030), (2135, 117572), (2210, 113582), (2261, 111020), (2318, 108290), (2380, 105469), (2470, 101626), (2548, 98515), (2660, 94367), (2989, 83980), (3094, 81130), (3172, 79135), (3185, 78812), (3230, 77714), (3332, 75335), (3458, 72590), (3724, 67405), (3965, 63308), (4148, 60515), (4165, 60268), (4199, 59780), (4270, 58786), (4420, 56791), (4522, 55510), (4636, 54145), (4655, 53924), (4940, 50813), (5185, 48412), (5551, 45220), (5795, 43316), (5978, 41990), (6188, 40565), (6370, 39406), (6460, 38857), (6916, 36295), (7259, 34580), (7735, 32452), (7930, 31654), (8113, 30940), (8330, 30134), (8398, 29890), (8540, 29393), (8645, 29036), (9044, 27755), (9310, 26962), (10370, 24206), (10829, 23180), (11102, 22610), (11305, 22204), (11590, 21658), (11956, 20995), (12103, 20740), (12740, 19703), (13481, 18620), (14518, 17290), (14945, 16796), (15067, 16660), (15470, 16226), (15827, 15860)]