1207996840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13721}}^1$

素因数の和:13834

約数の個数: 64

約数和(自身を含む): 2845393920

約数和(自身を除く): 1637397080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 2201, 2840, 4402, 8804, 11005, 13721, 17608, 22010, 27442, 44020, 54884, 68605, 88040, 109768, 137210, 274420, 425351, 548840, 850702, 974191, 1701404, 1948382, 2126755, 3402808, 3896764, 4253510, 4870955, 7793528, 8507020, 9741910, 17014040, 19483820, 30199921, 38967640, 60399842, 120799684, 150999605, 241599368, 301999210, 603998420, 1207996840]

約数ペア:

[(1, 1207996840), (2, 603998420), (4, 301999210), (5, 241599368), (8, 150999605), (10, 120799684), (20, 60399842), (31, 38967640), (40, 30199921), (62, 19483820), (71, 17014040), (124, 9741910), (142, 8507020), (155, 7793528), (248, 4870955), (284, 4253510), (310, 3896764), (355, 3402808), (568, 2126755), (620, 1948382), (710, 1701404), (1240, 974191), (1420, 850702), (2201, 548840), (2840, 425351), (4402, 274420), (8804, 137210), (11005, 109768), (13721, 88040), (17608, 68605), (22010, 54884), (27442, 44020)]