205301840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4420

約数の個数: 80

約数和(自身を含む): 518776320

約数和(自身を除く): 313474480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4357, 4712, 5890, 8714, 9424, 11780, 17428, 21785, 23560, 34856, 43570, 47120, 69712, 82783, 87140, 135067, 165566, 174280, 270134, 331132, 348560, 413915, 540268, 662264, 675335, 827830, 1080536, 1324528, 1350670, 1655660, 2161072, 2566273, 2701340, 3311320, 5132546, 5402680, 6622640, 10265092, 10805360, 12831365, 20530184, 25662730, 41060368, 51325460, 102650920, 205301840]

約数ペア:

[(1, 205301840), (2, 102650920), (4, 51325460), (5, 41060368), (8, 25662730), (10, 20530184), (16, 12831365), (19, 10805360), (20, 10265092), (31, 6622640), (38, 5402680), (40, 5132546), (62, 3311320), (76, 2701340), (80, 2566273), (95, 2161072), (124, 1655660), (152, 1350670), (155, 1324528), (190, 1080536), (248, 827830), (304, 675335), (310, 662264), (380, 540268), (496, 413915), (589, 348560), (620, 331132), (760, 270134), (1178, 174280), (1240, 165566), (1520, 135067), (2356, 87140), (2480, 82783), (2945, 69712), (4357, 47120), (4712, 43570), (5890, 34856), (8714, 23560), (9424, 21785), (11780, 17428)]