84647780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14747}}^1$

素因数の和:14804

約数の個数: 48

約数和(自身を含む): 208123776

約数和(自身を除く): 123475996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 14747, 29494, 58988, 73735, 103229, 147470, 206458, 294940, 412916, 516145, 604627, 1032290, 1209254, 2064580, 2418508, 3023135, 4232389, 6046270, 8464778, 12092540, 16929556, 21161945, 42323890, 84647780]

約数ペア:

[(1, 84647780), (2, 42323890), (4, 21161945), (5, 16929556), (7, 12092540), (10, 8464778), (14, 6046270), (20, 4232389), (28, 3023135), (35, 2418508), (41, 2064580), (70, 1209254), (82, 1032290), (140, 604627), (164, 516145), (205, 412916), (287, 294940), (410, 206458), (574, 147470), (820, 103229), (1148, 73735), (1435, 58988), (2870, 29494), (5740, 14747)]