21977650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 44193600

約数和(自身を除く): 22215950

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 115, 145, 230, 290, 575, 659, 667, 725, 1150, 1318, 1334, 1450, 3295, 3335, 6590, 6670, 15157, 16475, 16675, 19111, 30314, 32950, 33350, 38222, 75785, 95555, 151570, 191110, 378925, 439553, 477775, 757850, 879106, 955550, 2197765, 4395530, 10988825, 21977650]

約数ペア:

[(1, 21977650), (2, 10988825), (5, 4395530), (10, 2197765), (23, 955550), (25, 879106), (29, 757850), (46, 477775), (50, 439553), (58, 378925), (115, 191110), (145, 151570), (230, 95555), (290, 75785), (575, 38222), (659, 33350), (667, 32950), (725, 30314), (1150, 19111), (1318, 16675), (1334, 16475), (1450, 15157), (3295, 6670), (3335, 6590)]