1897255030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1901}}^1$

素因数の和:2173

約数の個数: 64

約数和(自身を含む): 3832240896

約数和(自身を除く): 1934985866

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 211, 215, 422, 430, 473, 946, 1055, 1901, 2110, 2321, 2365, 3802, 4642, 4730, 9073, 9505, 11605, 18146, 19010, 20911, 23210, 41822, 45365, 81743, 90730, 99803, 104555, 163486, 199606, 209110, 401111, 408715, 499015, 802222, 817430, 899173, 998030, 1798346, 2005555, 4011110, 4412221, 4495865, 8824442, 8991730, 17247773, 22061105, 34495546, 44122210, 86238865, 172477730, 189725503, 379451006, 948627515, 1897255030]

約数ペア:

[(1, 1897255030), (2, 948627515), (5, 379451006), (10, 189725503), (11, 172477730), (22, 86238865), (43, 44122210), (55, 34495546), (86, 22061105), (110, 17247773), (211, 8991730), (215, 8824442), (422, 4495865), (430, 4412221), (473, 4011110), (946, 2005555), (1055, 1798346), (1901, 998030), (2110, 899173), (2321, 817430), (2365, 802222), (3802, 499015), (4642, 408715), (4730, 401111), (9073, 209110), (9505, 199606), (11605, 163486), (18146, 104555), (19010, 99803), (20911, 90730), (23210, 81743), (41822, 45365)]