211206980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{36541}}^1$

素因数の和:36584

約数の個数: 36

約数和(自身を含む): 471172548

約数和(自身を除く): 259965568

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 36541, 73082, 146164, 182705, 365410, 621197, 730820, 1242394, 2484788, 3105985, 6211970, 10560349, 12423940, 21120698, 42241396, 52801745, 105603490, 211206980]

約数ペア:

[(1, 211206980), (2, 105603490), (4, 52801745), (5, 42241396), (10, 21120698), (17, 12423940), (20, 10560349), (34, 6211970), (68, 3105985), (85, 2484788), (170, 1242394), (289, 730820), (340, 621197), (578, 365410), (1156, 182705), (1445, 146164), (2890, 73082), (5780, 36541)]