47948780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11510

約数の個数: 48

約数和(自身を含む): 115637760

約数和(自身を除く): 67688980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 11471, 22942, 45884, 57355, 114710, 126181, 217949, 229420, 252362, 435898, 504724, 630905, 871796, 1089745, 1261810, 2179490, 2397439, 2523620, 4358980, 4794878, 9589756, 11987195, 23974390, 47948780]

約数ペア:

[(1, 47948780), (2, 23974390), (4, 11987195), (5, 9589756), (10, 4794878), (11, 4358980), (19, 2523620), (20, 2397439), (22, 2179490), (38, 1261810), (44, 1089745), (55, 871796), (76, 630905), (95, 504724), (110, 435898), (190, 252362), (209, 229420), (220, 217949), (380, 126181), (418, 114710), (836, 57355), (1045, 45884), (2090, 22942), (4180, 11471)]