1990202360

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{217271}}^1$

素因数の和:217511

約数の個数: 32

約数和(自身を含む): 4497530400

約数和(自身を除く): 2507328040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 217271, 434542, 869084, 1086355, 1738168, 2172710, 4345420, 8690840, 49755059, 99510118, 199020236, 248775295, 398040472, 497550590, 995101180, 1990202360]

約数ペア:

[(1, 1990202360), (2, 995101180), (4, 497550590), (5, 398040472), (8, 248775295), (10, 199020236), (20, 99510118), (40, 49755059), (229, 8690840), (458, 4345420), (916, 2172710), (1145, 1738168), (1832, 1086355), (2290, 869084), (4580, 434542), (9160, 217271)]