64139350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 130924656

約数和(自身を除く): 66785306

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 277, 421, 550, 554, 842, 1385, 2105, 2770, 3047, 4210, 4631, 6094, 6925, 9262, 10525, 13850, 15235, 21050, 23155, 30470, 46310, 76175, 115775, 116617, 152350, 231550, 233234, 583085, 1166170, 1282787, 2565574, 2915425, 5830850, 6413935, 12827870, 32069675, 64139350]

約数ペア:

[(1, 64139350), (2, 32069675), (5, 12827870), (10, 6413935), (11, 5830850), (22, 2915425), (25, 2565574), (50, 1282787), (55, 1166170), (110, 583085), (275, 233234), (277, 231550), (421, 152350), (550, 116617), (554, 115775), (842, 76175), (1385, 46310), (2105, 30470), (2770, 23155), (3047, 21050), (4210, 15235), (4631, 13850), (6094, 10525), (6925, 9262)]