89729780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 237484800

約数和(自身を除く): 147755020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 61, 70, 76, 79, 95, 98, 122, 133, 140, 158, 190, 196, 244, 245, 266, 305, 316, 380, 395, 427, 490, 532, 553, 610, 665, 790, 854, 931, 980, 1106, 1159, 1220, 1330, 1501, 1580, 1708, 1862, 2135, 2212, 2318, 2660, 2765, 2989, 3002, 3724, 3871, 4270, 4636, 4655, 4819, 5530, 5795, 5978, 6004, 7505, 7742, 8113, 8540, 9310, 9638, 10507, 11060, 11590, 11956, 14945, 15010, 15484, 16226, 18620, 19276, 19355, 21014, 23180, 24095, 29890, 30020, 32452, 33733, 38710, 40565, 42028, 48190, 52535, 56791, 59780, 67466, 73549, 77420, 81130, 91561, 96380, 105070, 113582, 134932, 147098, 162260, 168665, 183122, 210140, 227164, 236131, 283955, 294196, 337330, 366244, 367745, 457805, 472262, 567910, 640927, 674660, 735490, 915610, 944524, 1135820, 1180655, 1281854, 1470980, 1831220, 2361310, 2563708, 3204635, 4486489, 4722620, 6409270, 8972978, 12818540, 17945956, 22432445, 44864890, 89729780]

約数ペア:

[(1, 89729780), (2, 44864890), (4, 22432445), (5, 17945956), (7, 12818540), (10, 8972978), (14, 6409270), (19, 4722620), (20, 4486489), (28, 3204635), (35, 2563708), (38, 2361310), (49, 1831220), (61, 1470980), (70, 1281854), (76, 1180655), (79, 1135820), (95, 944524), (98, 915610), (122, 735490), (133, 674660), (140, 640927), (158, 567910), (190, 472262), (196, 457805), (244, 367745), (245, 366244), (266, 337330), (305, 294196), (316, 283955), (380, 236131), (395, 227164), (427, 210140), (490, 183122), (532, 168665), (553, 162260), (610, 147098), (665, 134932), (790, 113582), (854, 105070), (931, 96380), (980, 91561), (1106, 81130), (1159, 77420), (1220, 73549), (1330, 67466), (1501, 59780), (1580, 56791), (1708, 52535), (1862, 48190), (2135, 42028), (2212, 40565), (2318, 38710), (2660, 33733), (2765, 32452), (2989, 30020), (3002, 29890), (3724, 24095), (3871, 23180), (4270, 21014), (4636, 19355), (4655, 19276), (4819, 18620), (5530, 16226), (5795, 15484), (5978, 15010), (6004, 14945), (7505, 11956), (7742, 11590), (8113, 11060), (8540, 10507), (9310, 9638)]