731241940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{255679}}^1$

素因数の和:255712

約数の個数: 48

約数和(自身を含む): 1804078080

約数和(自身を除く): 1072836140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 255679, 511358, 1022716, 1278395, 2556790, 2812469, 3323827, 5113580, 5624938, 6647654, 11249876, 13295308, 14062345, 16619135, 28124690, 33238270, 36562097, 56249380, 66476540, 73124194, 146248388, 182810485, 365620970, 731241940]

約数ペア:

[(1, 731241940), (2, 365620970), (4, 182810485), (5, 146248388), (10, 73124194), (11, 66476540), (13, 56249380), (20, 36562097), (22, 33238270), (26, 28124690), (44, 16619135), (52, 14062345), (55, 13295308), (65, 11249876), (110, 6647654), (130, 5624938), (143, 5113580), (220, 3323827), (260, 2812469), (286, 2556790), (572, 1278395), (715, 1022716), (1430, 511358), (2860, 255679)]