174510020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 374486448

約数和(自身を除く): 199976428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 313, 457, 610, 626, 914, 1220, 1252, 1565, 1828, 2285, 3130, 4570, 6260, 9140, 19093, 27877, 38186, 55754, 76372, 95465, 111508, 139385, 143041, 190930, 278770, 286082, 381860, 557540, 572164, 715205, 1430410, 2860820, 8725501, 17451002, 34902004, 43627505, 87255010, 174510020]

約数ペア:

[(1, 174510020), (2, 87255010), (4, 43627505), (5, 34902004), (10, 17451002), (20, 8725501), (61, 2860820), (122, 1430410), (244, 715205), (305, 572164), (313, 557540), (457, 381860), (610, 286082), (626, 278770), (914, 190930), (1220, 143041), (1252, 139385), (1565, 111508), (1828, 95465), (2285, 76372), (3130, 55754), (4570, 38186), (6260, 27877), (9140, 19093)]