8895888260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{22637}}^1$

素因数の和:23061

約数の個数: 72

約数和(自身を含む): 21786539544

約数和(自身を除く): 12890651284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 401, 490, 802, 980, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 19649, 22637, 28070, 39298, 45274, 56140, 78596, 90548, 98245, 113185, 158459, 196490, 226370, 316918, 392980, 452740, 633836, 792295, 1109213, 1584590, 2218426, 3169180, 4436852, 5546065, 9077437, 11092130, 18154874, 22184260, 36309748, 45387185, 63542059, 90774370, 127084118, 181548740, 254168236, 317710295, 444794413, 635420590, 889588826, 1270841180, 1779177652, 2223972065, 4447944130, 8895888260]

約数ペア:

[(1, 8895888260), (2, 4447944130), (4, 2223972065), (5, 1779177652), (7, 1270841180), (10, 889588826), (14, 635420590), (20, 444794413), (28, 317710295), (35, 254168236), (49, 181548740), (70, 127084118), (98, 90774370), (140, 63542059), (196, 45387185), (245, 36309748), (401, 22184260), (490, 18154874), (802, 11092130), (980, 9077437), (1604, 5546065), (2005, 4436852), (2807, 3169180), (4010, 2218426), (5614, 1584590), (8020, 1109213), (11228, 792295), (14035, 633836), (19649, 452740), (22637, 392980), (28070, 316918), (39298, 226370), (45274, 196490), (56140, 158459), (78596, 113185), (90548, 98245)]