255432940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{3449}}^1$

素因数の和:3511

約数の個数: 72

約数和(自身を含む): 641037600

約数和(自身を除く): 385604660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 1058, 1610, 2116, 2645, 3220, 3449, 3703, 5290, 6898, 7406, 10580, 13796, 14812, 17245, 18515, 24143, 34490, 37030, 48286, 68980, 74060, 79327, 96572, 120715, 158654, 241430, 317308, 396635, 482860, 555289, 793270, 1110578, 1586540, 1824521, 2221156, 2776445, 3649042, 5552890, 7298084, 9122605, 11105780, 12771647, 18245210, 25543294, 36490420, 51086588, 63858235, 127716470, 255432940]

約数ペア:

[(1, 255432940), (2, 127716470), (4, 63858235), (5, 51086588), (7, 36490420), (10, 25543294), (14, 18245210), (20, 12771647), (23, 11105780), (28, 9122605), (35, 7298084), (46, 5552890), (70, 3649042), (92, 2776445), (115, 2221156), (140, 1824521), (161, 1586540), (230, 1110578), (322, 793270), (460, 555289), (529, 482860), (644, 396635), (805, 317308), (1058, 241430), (1610, 158654), (2116, 120715), (2645, 96572), (3220, 79327), (3449, 74060), (3703, 68980), (5290, 48286), (6898, 37030), (7406, 34490), (10580, 24143), (13796, 18515), (14812, 17245)]