1730907820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 3660785856

約数和(自身を除く): 1929878036

約数列:

[1, 2, 4, 5, 10, 20, 311, 421, 622, 661, 842, 1244, 1322, 1555, 1684, 2105, 2644, 3110, 3305, 4210, 6220, 6610, 8420, 13220, 130931, 205571, 261862, 278281, 411142, 523724, 556562, 654655, 822284, 1027855, 1113124, 1309310, 1391405, 2055710, 2618620, 2782810, 4111420, 5565620, 86545391, 173090782, 346181564, 432726955, 865453910, 1730907820]

約数ペア:

[(1, 1730907820), (2, 865453910), (4, 432726955), (5, 346181564), (10, 173090782), (20, 86545391), (311, 5565620), (421, 4111420), (622, 2782810), (661, 2618620), (842, 2055710), (1244, 1391405), (1322, 1309310), (1555, 1113124), (1684, 1027855), (2105, 822284), (2644, 654655), (3110, 556562), (3305, 523724), (4210, 411142), (6220, 278281), (6610, 261862), (8420, 205571), (13220, 130931)]