128514980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{9901}}^1$

素因数の和:9980

約数の個数: 48

約数和(自身を含む): 299436480

約数和(自身を除く): 170921500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 9901, 12980, 19802, 39604, 49505, 99010, 108911, 198020, 217822, 435644, 544555, 584159, 1089110, 1168318, 2178220, 2336636, 2920795, 5841590, 6425749, 11683180, 12851498, 25702996, 32128745, 64257490, 128514980]

約数ペア:

[(1, 128514980), (2, 64257490), (4, 32128745), (5, 25702996), (10, 12851498), (11, 11683180), (20, 6425749), (22, 5841590), (44, 2920795), (55, 2336636), (59, 2178220), (110, 1168318), (118, 1089110), (220, 584159), (236, 544555), (295, 435644), (590, 217822), (649, 198020), (1180, 108911), (1298, 99010), (2596, 49505), (3245, 39604), (6490, 19802), (9901, 12980)]