348537980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{355651}}^1$

素因数の和:355674

約数の個数: 36

約数和(自身を含む): 851430888

約数和(自身を除く): 502892908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 355651, 711302, 1422604, 1778255, 2489557, 3556510, 4979114, 7113020, 9958228, 12447785, 17426899, 24895570, 34853798, 49791140, 69707596, 87134495, 174268990, 348537980]

約数ペア:

[(1, 348537980), (2, 174268990), (4, 87134495), (5, 69707596), (7, 49791140), (10, 34853798), (14, 24895570), (20, 17426899), (28, 12447785), (35, 9958228), (49, 7113020), (70, 4979114), (98, 3556510), (140, 2489557), (196, 1778255), (245, 1422604), (490, 711302), (980, 355651)]