2000405120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 256

約数和(自身を含む): 5851699200

約数和(自身を除く): 3851294080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 71, 76, 80, 95, 112, 128, 133, 140, 142, 152, 160, 190, 224, 266, 280, 284, 304, 320, 331, 355, 380, 448, 497, 532, 560, 568, 608, 640, 662, 665, 710, 760, 896, 994, 1064, 1120, 1136, 1216, 1324, 1330, 1349, 1420, 1520, 1655, 1988, 2128, 2240, 2272, 2317, 2432, 2485, 2648, 2660, 2698, 2840, 3040, 3310, 3976, 4256, 4480, 4544, 4634, 4970, 5296, 5320, 5396, 5680, 6080, 6289, 6620, 6745, 7952, 8512, 9088, 9268, 9443, 9940, 10592, 10640, 10792, 11360, 11585, 12160, 12578, 13240, 13490, 15904, 17024, 18536, 18886, 19880, 21184, 21280, 21584, 22720, 23170, 23501, 25156, 26480, 26980, 31445, 31808, 37072, 37772, 39760, 42368, 42560, 43168, 44023, 45440, 46340, 47002, 47215, 50312, 52960, 53960, 62890, 63616, 74144, 75544, 79520, 85120, 86336, 88046, 92680, 94004, 94430, 100624, 105920, 107920, 117505, 125780, 148288, 151088, 159040, 164507, 172672, 176092, 185360, 188008, 188860, 201248, 211840, 215840, 220115, 235010, 251560, 296576, 302176, 318080, 329014, 352184, 370720, 376016, 377720, 402496, 431680, 440230, 446519, 470020, 503120, 604352, 658028, 704368, 741440, 752032, 755440, 804992, 822535, 863360, 880460, 893038, 940040, 1006240, 1208704, 1316056, 1408736, 1482880, 1504064, 1510880, 1645070, 1760920, 1786076, 1880080, 2012480, 2232595, 2632112, 2817472, 3008128, 3021760, 3125633, 3290140, 3521840, 3572152, 3760160, 4024960, 4465190, 5264224, 5634944, 6043520, 6251266, 6580280, 7043680, 7144304, 7520320, 8930380, 10528448, 12502532, 13160560, 14087360, 14288608, 15040640, 15628165, 17860760, 21056896, 25005064, 26321120, 28174720, 28577216, 31256330, 35721520, 50010128, 52642240, 57154432, 62512660, 71443040, 100020256, 105284480, 125025320, 142886080, 200040512, 250050640, 285772160, 400081024, 500101280, 1000202560, 2000405120]

約数ペア:

[(1, 2000405120), (2, 1000202560), (4, 500101280), (5, 400081024), (7, 285772160), (8, 250050640), (10, 200040512), (14, 142886080), (16, 125025320), (19, 105284480), (20, 100020256), (28, 71443040), (32, 62512660), (35, 57154432), (38, 52642240), (40, 50010128), (56, 35721520), (64, 31256330), (70, 28577216), (71, 28174720), (76, 26321120), (80, 25005064), (95, 21056896), (112, 17860760), (128, 15628165), (133, 15040640), (140, 14288608), (142, 14087360), (152, 13160560), (160, 12502532), (190, 10528448), (224, 8930380), (266, 7520320), (280, 7144304), (284, 7043680), (304, 6580280), (320, 6251266), (331, 6043520), (355, 5634944), (380, 5264224), (448, 4465190), (497, 4024960), (532, 3760160), (560, 3572152), (568, 3521840), (608, 3290140), (640, 3125633), (662, 3021760), (665, 3008128), (710, 2817472), (760, 2632112), (896, 2232595), (994, 2012480), (1064, 1880080), (1120, 1786076), (1136, 1760920), (1216, 1645070), (1324, 1510880), (1330, 1504064), (1349, 1482880), (1420, 1408736), (1520, 1316056), (1655, 1208704), (1988, 1006240), (2128, 940040), (2240, 893038), (2272, 880460), (2317, 863360), (2432, 822535), (2485, 804992), (2648, 755440), (2660, 752032), (2698, 741440), (2840, 704368), (3040, 658028), (3310, 604352), (3976, 503120), (4256, 470020), (4480, 446519), (4544, 440230), (4634, 431680), (4970, 402496), (5296, 377720), (5320, 376016), (5396, 370720), (5680, 352184), (6080, 329014), (6289, 318080), (6620, 302176), (6745, 296576), (7952, 251560), (8512, 235010), (9088, 220115), (9268, 215840), (9443, 211840), (9940, 201248), (10592, 188860), (10640, 188008), (10792, 185360), (11360, 176092), (11585, 172672), (12160, 164507), (12578, 159040), (13240, 151088), (13490, 148288), (15904, 125780), (17024, 117505), (18536, 107920), (18886, 105920), (19880, 100624), (21184, 94430), (21280, 94004), (21584, 92680), (22720, 88046), (23170, 86336), (23501, 85120), (25156, 79520), (26480, 75544), (26980, 74144), (31445, 63616), (31808, 62890), (37072, 53960), (37772, 52960), (39760, 50312), (42368, 47215), (42560, 47002), (43168, 46340), (44023, 45440)]