262894390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{8819}}^1$

素因数の和:9108

約数の個数: 32

約数和(自身を含む): 518192640

約数和(自身を除く): 255298250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2981, 5962, 8819, 14905, 17638, 29810, 44095, 88190, 97009, 194018, 485045, 970090, 2389949, 4779898, 11949745, 23899490, 26289439, 52578878, 131447195, 262894390]

約数ペア:

[(1, 262894390), (2, 131447195), (5, 52578878), (10, 26289439), (11, 23899490), (22, 11949745), (55, 4779898), (110, 2389949), (271, 970090), (542, 485045), (1355, 194018), (2710, 97009), (2981, 88190), (5962, 44095), (8819, 29810), (14905, 17638)]