90639310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6719}}^1$

素因数の和:6816

約数の個数: 32

約数和(自身を含む): 174182400

約数和(自身を除く): 83543090

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6719, 6745, 13438, 13490, 33595, 67190, 127661, 255322, 477049, 638305, 954098, 1276610, 2385245, 4770490, 9063931, 18127862, 45319655, 90639310]

約数ペア:

[(1, 90639310), (2, 45319655), (5, 18127862), (10, 9063931), (19, 4770490), (38, 2385245), (71, 1276610), (95, 954098), (142, 638305), (190, 477049), (355, 255322), (710, 127661), (1349, 67190), (2698, 33595), (6719, 13490), (6745, 13438)]