8912680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 23184000

約数和(自身を除く): 14271320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 229, 278, 280, 458, 556, 695, 916, 973, 1112, 1145, 1390, 1603, 1832, 1946, 2290, 2780, 3206, 3892, 4580, 4865, 5560, 6412, 7784, 8015, 9160, 9730, 12824, 16030, 19460, 31831, 32060, 38920, 63662, 64120, 127324, 159155, 222817, 254648, 318310, 445634, 636620, 891268, 1114085, 1273240, 1782536, 2228170, 4456340, 8912680]

約数ペア:

[(1, 8912680), (2, 4456340), (4, 2228170), (5, 1782536), (7, 1273240), (8, 1114085), (10, 891268), (14, 636620), (20, 445634), (28, 318310), (35, 254648), (40, 222817), (56, 159155), (70, 127324), (139, 64120), (140, 63662), (229, 38920), (278, 32060), (280, 31831), (458, 19460), (556, 16030), (695, 12824), (916, 9730), (973, 9160), (1112, 8015), (1145, 7784), (1390, 6412), (1603, 5560), (1832, 4865), (1946, 4580), (2290, 3892), (2780, 3206)]