2957540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 6726720

約数和(自身を除く): 3769180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 181, 190, 215, 362, 380, 430, 724, 817, 860, 905, 1634, 1810, 3268, 3439, 3620, 4085, 6878, 7783, 8170, 13756, 15566, 16340, 17195, 31132, 34390, 38915, 68780, 77830, 147877, 155660, 295754, 591508, 739385, 1478770, 2957540]

約数ペア:

[(1, 2957540), (2, 1478770), (4, 739385), (5, 591508), (10, 295754), (19, 155660), (20, 147877), (38, 77830), (43, 68780), (76, 38915), (86, 34390), (95, 31132), (172, 17195), (181, 16340), (190, 15566), (215, 13756), (362, 8170), (380, 7783), (430, 6878), (724, 4085), (817, 3620), (860, 3439), (905, 3268), (1634, 1810)]