204801080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4519}}^1$

素因数の和:4644

約数の個数: 64

約数和(自身を含む): 507686400

約数和(自身を除く): 302885320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 2060, 2266, 4120, 4519, 4532, 5665, 9038, 9064, 11330, 18076, 22595, 22660, 36152, 45190, 45320, 49709, 90380, 99418, 180760, 198836, 248545, 397672, 465457, 497090, 930914, 994180, 1861828, 1988360, 2327285, 3723656, 4654570, 5120027, 9309140, 10240054, 18618280, 20480108, 25600135, 40960216, 51200270, 102400540, 204801080]

約数ペア:

[(1, 204801080), (2, 102400540), (4, 51200270), (5, 40960216), (8, 25600135), (10, 20480108), (11, 18618280), (20, 10240054), (22, 9309140), (40, 5120027), (44, 4654570), (55, 3723656), (88, 2327285), (103, 1988360), (110, 1861828), (206, 994180), (220, 930914), (412, 497090), (440, 465457), (515, 397672), (824, 248545), (1030, 198836), (1133, 180760), (2060, 99418), (2266, 90380), (4120, 49709), (4519, 45320), (4532, 45190), (5665, 36152), (9038, 22660), (9064, 22595), (11330, 18076)]