64489460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{827}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 155240064

約数和(自身を除く): 90750604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 827, 1114, 1654, 2228, 2785, 3308, 3899, 4135, 5570, 5789, 7798, 8270, 11140, 11578, 15596, 16540, 19495, 23156, 28945, 38990, 57890, 77980, 115780, 460639, 921278, 1842556, 2303195, 3224473, 4606390, 6448946, 9212780, 12897892, 16122365, 32244730, 64489460]

約数ペア:

[(1, 64489460), (2, 32244730), (4, 16122365), (5, 12897892), (7, 9212780), (10, 6448946), (14, 4606390), (20, 3224473), (28, 2303195), (35, 1842556), (70, 921278), (140, 460639), (557, 115780), (827, 77980), (1114, 57890), (1654, 38990), (2228, 28945), (2785, 23156), (3308, 19495), (3899, 16540), (4135, 15596), (5570, 11578), (5789, 11140), (7798, 8270)]