201594020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 433566000

約数和(自身を除く): 231971980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 1109, 1220, 1490, 2218, 2980, 4436, 5545, 9089, 11090, 18178, 22180, 36356, 45445, 67649, 90890, 135298, 165241, 181780, 270596, 330482, 338245, 660964, 676490, 826205, 1352980, 1652410, 3304820, 10079701, 20159402, 40318804, 50398505, 100797010, 201594020]

約数ペア:

[(1, 201594020), (2, 100797010), (4, 50398505), (5, 40318804), (10, 20159402), (20, 10079701), (61, 3304820), (122, 1652410), (149, 1352980), (244, 826205), (298, 676490), (305, 660964), (596, 338245), (610, 330482), (745, 270596), (1109, 181780), (1220, 165241), (1490, 135298), (2218, 90890), (2980, 67649), (4436, 45445), (5545, 36356), (9089, 22180), (11090, 18178)]