7518980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 18480000

約数和(自身を除く): 10961020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1249, 1505, 2498, 3010, 4996, 6020, 6245, 8743, 12490, 17486, 24980, 34972, 43715, 53707, 87430, 107414, 174860, 214828, 268535, 375949, 537070, 751898, 1074140, 1503796, 1879745, 3759490, 7518980]

約数ペア:

[(1, 7518980), (2, 3759490), (4, 1879745), (5, 1503796), (7, 1074140), (10, 751898), (14, 537070), (20, 375949), (28, 268535), (35, 214828), (43, 174860), (70, 107414), (86, 87430), (140, 53707), (172, 43715), (215, 34972), (301, 24980), (430, 17486), (602, 12490), (860, 8743), (1204, 6245), (1249, 6020), (1505, 4996), (2498, 3010)]