210566980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19753}}^1$

素因数の和:19816

約数の個数: 48

約数和(自身を含む): 487844784

約数和(自身を除く): 277277804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 19753, 39506, 79012, 98765, 197530, 256789, 395060, 513578, 809873, 1027156, 1283945, 1619746, 2567890, 3239492, 4049365, 5135780, 8098730, 10528349, 16197460, 21056698, 42113396, 52641745, 105283490, 210566980]

約数ペア:

[(1, 210566980), (2, 105283490), (4, 52641745), (5, 42113396), (10, 21056698), (13, 16197460), (20, 10528349), (26, 8098730), (41, 5135780), (52, 4049365), (65, 3239492), (82, 2567890), (130, 1619746), (164, 1283945), (205, 1027156), (260, 809873), (410, 513578), (533, 395060), (820, 256789), (1066, 197530), (2132, 98765), (2665, 79012), (5330, 39506), (10660, 19753)]