1097867980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{49409}}^1$

素因数の和:49530

約数の個数: 48

約数和(自身を含む): 2540069280

約数和(自身を除く): 1442201300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 49409, 98818, 197636, 247045, 494090, 543499, 988180, 1086998, 2173996, 2717495, 4990309, 5434990, 9980618, 10869980, 19961236, 24951545, 49903090, 54893399, 99806180, 109786798, 219573596, 274466995, 548933990, 1097867980]

約数ペア:

[(1, 1097867980), (2, 548933990), (4, 274466995), (5, 219573596), (10, 109786798), (11, 99806180), (20, 54893399), (22, 49903090), (44, 24951545), (55, 19961236), (101, 10869980), (110, 9980618), (202, 5434990), (220, 4990309), (404, 2717495), (505, 2173996), (1010, 1086998), (1111, 988180), (2020, 543499), (2222, 494090), (4444, 247045), (5555, 197636), (11110, 98818), (22220, 49409)]