12895770020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{46829}}^1$

素因数の和:47133

約数の個数: 72

約数和(自身を含む): 31615307640

約数和(自身を除く): 18719537620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 490, 562, 980, 1124, 1405, 1967, 2810, 3934, 5620, 7868, 9835, 13769, 19670, 27538, 39340, 46829, 55076, 68845, 93658, 137690, 187316, 234145, 275380, 327803, 468290, 655606, 936580, 1311212, 1639015, 2294621, 3278030, 4589242, 6556060, 9178484, 11473105, 13158949, 22946210, 26317898, 45892420, 52635796, 65794745, 92112643, 131589490, 184225286, 263178980, 368450572, 460563215, 644788501, 921126430, 1289577002, 1842252860, 2579154004, 3223942505, 6447885010, 12895770020]

約数ペア:

[(1, 12895770020), (2, 6447885010), (4, 3223942505), (5, 2579154004), (7, 1842252860), (10, 1289577002), (14, 921126430), (20, 644788501), (28, 460563215), (35, 368450572), (49, 263178980), (70, 184225286), (98, 131589490), (140, 92112643), (196, 65794745), (245, 52635796), (281, 45892420), (490, 26317898), (562, 22946210), (980, 13158949), (1124, 11473105), (1405, 9178484), (1967, 6556060), (2810, 4589242), (3934, 3278030), (5620, 2294621), (7868, 1639015), (9835, 1311212), (13769, 936580), (19670, 655606), (27538, 468290), (39340, 327803), (46829, 275380), (55076, 234145), (68845, 187316), (93658, 137690)]