2008981940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{109541}}^1$

素因数の和:109688

約数の個数: 48

約数和(自身を含む): 4858406784

約数和(自身を除く): 2849424844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 109541, 219082, 438164, 547705, 766787, 1095410, 1533574, 2190820, 3067148, 3833935, 7667870, 14349871, 15335740, 28699742, 57399484, 71749355, 100449097, 143498710, 200898194, 286997420, 401796388, 502245485, 1004490970, 2008981940]

約数ペア:

[(1, 2008981940), (2, 1004490970), (4, 502245485), (5, 401796388), (7, 286997420), (10, 200898194), (14, 143498710), (20, 100449097), (28, 71749355), (35, 57399484), (70, 28699742), (131, 15335740), (140, 14349871), (262, 7667870), (524, 3833935), (655, 3067148), (917, 2190820), (1310, 1533574), (1834, 1095410), (2620, 766787), (3668, 547705), (4585, 438164), (9170, 219082), (18340, 109541)]