13813940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 33600000

約数和(自身を除く): 19786060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1249, 1580, 2212, 2498, 2765, 4996, 5530, 6245, 8743, 11060, 12490, 17486, 24980, 34972, 43715, 87430, 98671, 174860, 197342, 394684, 493355, 690697, 986710, 1381394, 1973420, 2762788, 3453485, 6906970, 13813940]

約数ペア:

[(1, 13813940), (2, 6906970), (4, 3453485), (5, 2762788), (7, 1973420), (10, 1381394), (14, 986710), (20, 690697), (28, 493355), (35, 394684), (70, 197342), (79, 174860), (140, 98671), (158, 87430), (316, 43715), (395, 34972), (553, 24980), (790, 17486), (1106, 12490), (1249, 11060), (1580, 8743), (2212, 6245), (2498, 5530), (2765, 4996)]