390697156540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1\times {\mathrm{4271}}^1$

素因数の和:4999

約数の個数: 96

約数和(自身を含む): 845788946688

約数和(自身を除く): 455091790148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 281, 397, 410, 562, 794, 820, 1124, 1405, 1588, 1985, 2810, 3970, 4271, 5620, 7940, 8542, 11521, 16277, 17084, 21355, 23042, 32554, 42710, 46084, 57605, 65108, 81385, 85420, 111557, 115210, 162770, 175111, 223114, 230420, 325540, 350222, 446228, 557785, 700444, 875555, 1115570, 1200151, 1695587, 1751110, 2231140, 2400302, 3391174, 3502220, 4573837, 4800604, 6000755, 6782348, 8477935, 9147674, 12001510, 16955870, 18295348, 22869185, 24003020, 33911740, 45738370, 49206191, 69519067, 91476740, 98412382, 139038134, 196824764, 246030955, 278076268, 347595335, 476459947, 492061910, 695190670, 952919894, 984123820, 1390381340, 1905839788, 2382299735, 4764599470, 9529198940, 19534857827, 39069715654, 78139431308, 97674289135, 195348578270, 390697156540]

約数ペア:

[(1, 390697156540), (2, 195348578270), (4, 97674289135), (5, 78139431308), (10, 39069715654), (20, 19534857827), (41, 9529198940), (82, 4764599470), (164, 2382299735), (205, 1905839788), (281, 1390381340), (397, 984123820), (410, 952919894), (562, 695190670), (794, 492061910), (820, 476459947), (1124, 347595335), (1405, 278076268), (1588, 246030955), (1985, 196824764), (2810, 139038134), (3970, 98412382), (4271, 91476740), (5620, 69519067), (7940, 49206191), (8542, 45738370), (11521, 33911740), (16277, 24003020), (17084, 22869185), (21355, 18295348), (23042, 16955870), (32554, 12001510), (42710, 9147674), (46084, 8477935), (57605, 6782348), (65108, 6000755), (81385, 4800604), (85420, 4573837), (111557, 3502220), (115210, 3391174), (162770, 2400302), (175111, 2231140), (223114, 1751110), (230420, 1695587), (325540, 1200151), (350222, 1115570), (446228, 875555), (557785, 700444)]