2100054550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{19991}}^1$

素因数の和:20205

約数の個数: 48

約数和(自身を含む): 4283725824

約数和(自身を除く): 2183671274

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 191, 275, 382, 550, 955, 1910, 2101, 4202, 4775, 9550, 10505, 19991, 21010, 39982, 52525, 99955, 105050, 199910, 219901, 439802, 499775, 999550, 1099505, 2199010, 3818281, 5497525, 7636562, 10995050, 19091405, 38182810, 42001091, 84002182, 95457025, 190914050, 210005455, 420010910, 1050027275, 2100054550]

約数ペア:

[(1, 2100054550), (2, 1050027275), (5, 420010910), (10, 210005455), (11, 190914050), (22, 95457025), (25, 84002182), (50, 42001091), (55, 38182810), (110, 19091405), (191, 10995050), (275, 7636562), (382, 5497525), (550, 3818281), (955, 2199010), (1910, 1099505), (2101, 999550), (4202, 499775), (4775, 439802), (9550, 219901), (10505, 199910), (19991, 105050), (21010, 99955), (39982, 52525)]