86758420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12647}}^1$

素因数の和:12677

約数の個数: 48

約数和(自身を含む): 212486400

約数和(自身を除く): 125727980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12647, 25294, 50588, 63235, 88529, 126470, 177058, 252940, 354116, 442645, 619703, 885290, 1239406, 1770580, 2478812, 3098515, 4337921, 6197030, 8675842, 12394060, 17351684, 21689605, 43379210, 86758420]

約数ペア:

[(1, 86758420), (2, 43379210), (4, 21689605), (5, 17351684), (7, 12394060), (10, 8675842), (14, 6197030), (20, 4337921), (28, 3098515), (35, 2478812), (49, 1770580), (70, 1239406), (98, 885290), (140, 619703), (196, 442645), (245, 354116), (343, 252940), (490, 177058), (686, 126470), (980, 88529), (1372, 63235), (1715, 50588), (3430, 25294), (6860, 12647)]