8143700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 18998784

約数和(自身を除く): 10855084

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 71, 74, 100, 124, 142, 148, 155, 185, 284, 310, 355, 370, 620, 710, 740, 775, 925, 1147, 1420, 1550, 1775, 1850, 2201, 2294, 2627, 3100, 3550, 3700, 4402, 4588, 5254, 5735, 7100, 8804, 10508, 11005, 11470, 13135, 22010, 22940, 26270, 28675, 44020, 52540, 55025, 57350, 65675, 81437, 110050, 114700, 131350, 162874, 220100, 262700, 325748, 407185, 814370, 1628740, 2035925, 4071850, 8143700]

約数ペア:

[(1, 8143700), (2, 4071850), (4, 2035925), (5, 1628740), (10, 814370), (20, 407185), (25, 325748), (31, 262700), (37, 220100), (50, 162874), (62, 131350), (71, 114700), (74, 110050), (100, 81437), (124, 65675), (142, 57350), (148, 55025), (155, 52540), (185, 44020), (284, 28675), (310, 26270), (355, 22940), (370, 22010), (620, 13135), (710, 11470), (740, 11005), (775, 10508), (925, 8804), (1147, 7100), (1420, 5735), (1550, 5254), (1775, 4588), (1850, 4402), (2201, 3700), (2294, 3550), (2627, 3100)]