388704680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{106787}}^1$

素因数の和:106818

約数の個数: 64

約数和(自身を含む): 1076423040

約数和(自身を除く): 687718360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 106787, 213574, 427148, 533935, 747509, 854296, 1067870, 1388231, 1495018, 2135740, 2776462, 2990036, 3737545, 4271480, 5552924, 5980072, 6941155, 7475090, 9717617, 11105848, 13882310, 14950180, 19435234, 27764620, 29900360, 38870468, 48588085, 55529240, 77740936, 97176170, 194352340, 388704680]

約数ペア:

[(1, 388704680), (2, 194352340), (4, 97176170), (5, 77740936), (7, 55529240), (8, 48588085), (10, 38870468), (13, 29900360), (14, 27764620), (20, 19435234), (26, 14950180), (28, 13882310), (35, 11105848), (40, 9717617), (52, 7475090), (56, 6941155), (65, 5980072), (70, 5552924), (91, 4271480), (104, 3737545), (130, 2990036), (140, 2776462), (182, 2135740), (260, 1495018), (280, 1388231), (364, 1067870), (455, 854296), (520, 747509), (728, 533935), (910, 427148), (1820, 213574), (3640, 106787)]