120257620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1993}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 289433088

約数和(自身を除く): 169175468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 1993, 2155, 3017, 3986, 4310, 6034, 7972, 8620, 9965, 12068, 13951, 15085, 19930, 27902, 30170, 39860, 55804, 60340, 69755, 139510, 279020, 858983, 1717966, 3435932, 4294915, 6012881, 8589830, 12025762, 17179660, 24051524, 30064405, 60128810, 120257620]

約数ペア:

[(1, 120257620), (2, 60128810), (4, 30064405), (5, 24051524), (7, 17179660), (10, 12025762), (14, 8589830), (20, 6012881), (28, 4294915), (35, 3435932), (70, 1717966), (140, 858983), (431, 279020), (862, 139510), (1724, 69755), (1993, 60340), (2155, 55804), (3017, 39860), (3986, 30170), (4310, 27902), (6034, 19930), (7972, 15085), (8620, 13951), (9965, 12068)]