8568140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 21000000

約数和(自身を除く): 12431860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1249, 1372, 1715, 2498, 3430, 4996, 6245, 6860, 8743, 12490, 17486, 24980, 34972, 43715, 61201, 87430, 122402, 174860, 244804, 306005, 428407, 612010, 856814, 1224020, 1713628, 2142035, 4284070, 8568140]

約数ペア:

[(1, 8568140), (2, 4284070), (4, 2142035), (5, 1713628), (7, 1224020), (10, 856814), (14, 612010), (20, 428407), (28, 306005), (35, 244804), (49, 174860), (70, 122402), (98, 87430), (140, 61201), (196, 43715), (245, 34972), (343, 24980), (490, 17486), (686, 12490), (980, 8743), (1249, 6860), (1372, 6245), (1715, 4996), (2498, 3430)]