501475840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 1272775680

約数和(自身を除く): 771299840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 89, 124, 128, 142, 155, 160, 178, 248, 256, 284, 310, 320, 355, 356, 445, 496, 512, 568, 620, 640, 710, 712, 890, 992, 1136, 1240, 1280, 1420, 1424, 1780, 1984, 2201, 2272, 2480, 2560, 2759, 2840, 2848, 3560, 3968, 4402, 4544, 4960, 5518, 5680, 5696, 6319, 7120, 7936, 8804, 9088, 9920, 11005, 11036, 11360, 11392, 12638, 13795, 14240, 15872, 17608, 18176, 19840, 22010, 22072, 22720, 22784, 25276, 27590, 28480, 31595, 35216, 36352, 39680, 44020, 44144, 45440, 45568, 50552, 55180, 56960, 63190, 70432, 79360, 88040, 88288, 90880, 101104, 110360, 113920, 126380, 140864, 176080, 176576, 181760, 195889, 202208, 220720, 227840, 252760, 281728, 352160, 353152, 391778, 404416, 441440, 505520, 563456, 704320, 706304, 783556, 808832, 882880, 979445, 1011040, 1126912, 1408640, 1412608, 1567112, 1617664, 1765760, 1958890, 2022080, 2817280, 3134224, 3235328, 3531520, 3917780, 4044160, 5634560, 6268448, 7063040, 7835560, 8088320, 12536896, 15671120, 16176640, 25073792, 31342240, 50147584, 62684480, 100295168, 125368960, 250737920, 501475840]

約数ペア:

[(1, 501475840), (2, 250737920), (4, 125368960), (5, 100295168), (8, 62684480), (10, 50147584), (16, 31342240), (20, 25073792), (31, 16176640), (32, 15671120), (40, 12536896), (62, 8088320), (64, 7835560), (71, 7063040), (80, 6268448), (89, 5634560), (124, 4044160), (128, 3917780), (142, 3531520), (155, 3235328), (160, 3134224), (178, 2817280), (248, 2022080), (256, 1958890), (284, 1765760), (310, 1617664), (320, 1567112), (355, 1412608), (356, 1408640), (445, 1126912), (496, 1011040), (512, 979445), (568, 882880), (620, 808832), (640, 783556), (710, 706304), (712, 704320), (890, 563456), (992, 505520), (1136, 441440), (1240, 404416), (1280, 391778), (1420, 353152), (1424, 352160), (1780, 281728), (1984, 252760), (2201, 227840), (2272, 220720), (2480, 202208), (2560, 195889), (2759, 181760), (2840, 176576), (2848, 176080), (3560, 140864), (3968, 126380), (4402, 113920), (4544, 110360), (4960, 101104), (5518, 90880), (5680, 88288), (5696, 88040), (6319, 79360), (7120, 70432), (7936, 63190), (8804, 56960), (9088, 55180), (9920, 50552), (11005, 45568), (11036, 45440), (11360, 44144), (11392, 44020), (12638, 39680), (13795, 36352), (14240, 35216), (15872, 31595), (17608, 28480), (18176, 27590), (19840, 25276), (22010, 22784), (22072, 22720)]