90809420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1499}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 206388000

約数和(自身を除く): 115578580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 932, 1165, 1499, 2330, 2998, 3029, 4660, 5996, 6058, 7495, 12116, 14990, 15145, 19487, 29980, 30290, 38974, 60580, 77948, 97435, 194870, 349267, 389740, 698534, 1397068, 1746335, 3492670, 4540471, 6985340, 9080942, 18161884, 22702355, 45404710, 90809420]

約数ペア:

[(1, 90809420), (2, 45404710), (4, 22702355), (5, 18161884), (10, 9080942), (13, 6985340), (20, 4540471), (26, 3492670), (52, 1746335), (65, 1397068), (130, 698534), (233, 389740), (260, 349267), (466, 194870), (932, 97435), (1165, 77948), (1499, 60580), (2330, 38974), (2998, 30290), (3029, 29980), (4660, 19487), (5996, 15145), (6058, 14990), (7495, 12116)]