9880340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 22159872

約数和(自身を除く): 12279532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 457, 460, 470, 914, 940, 1081, 1828, 2162, 2285, 4324, 4570, 5405, 9140, 10511, 10810, 21022, 21479, 21620, 42044, 42958, 52555, 85916, 105110, 107395, 210220, 214790, 429580, 494017, 988034, 1976068, 2470085, 4940170, 9880340]

約数ペア:

[(1, 9880340), (2, 4940170), (4, 2470085), (5, 1976068), (10, 988034), (20, 494017), (23, 429580), (46, 214790), (47, 210220), (92, 107395), (94, 105110), (115, 85916), (188, 52555), (230, 42958), (235, 42044), (457, 21620), (460, 21479), (470, 21022), (914, 10810), (940, 10511), (1081, 9140), (1828, 5405), (2162, 4570), (2285, 4324)]