179911420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9479}}^1$

素因数の和:9574

約数の個数: 48

約数和(自身を含む): 412493760

約数和(自身を除く): 232582340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9479, 9490, 18958, 18980, 37916, 47395, 94790, 123227, 189580, 246454, 492908, 616135, 691967, 1232270, 1383934, 2464540, 2767868, 3459835, 6919670, 8995571, 13839340, 17991142, 35982284, 44977855, 89955710, 179911420]

約数ペア:

[(1, 179911420), (2, 89955710), (4, 44977855), (5, 35982284), (10, 17991142), (13, 13839340), (20, 8995571), (26, 6919670), (52, 3459835), (65, 2767868), (73, 2464540), (130, 1383934), (146, 1232270), (260, 691967), (292, 616135), (365, 492908), (730, 246454), (949, 189580), (1460, 123227), (1898, 94790), (3796, 47395), (4745, 37916), (9479, 18980), (9490, 18958)]