38750420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 83825280

約数和(自身を除く): 45074860

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 139, 212, 263, 265, 278, 526, 530, 556, 695, 1052, 1060, 1315, 1390, 2630, 2780, 5260, 7367, 13939, 14734, 27878, 29468, 36557, 36835, 55756, 69695, 73114, 73670, 139390, 146228, 147340, 182785, 278780, 365570, 731140, 1937521, 3875042, 7750084, 9687605, 19375210, 38750420]

約数ペア:

[(1, 38750420), (2, 19375210), (4, 9687605), (5, 7750084), (10, 3875042), (20, 1937521), (53, 731140), (106, 365570), (139, 278780), (212, 182785), (263, 147340), (265, 146228), (278, 139390), (526, 73670), (530, 73114), (556, 69695), (695, 55756), (1052, 36835), (1060, 36557), (1315, 29468), (1390, 27878), (2630, 14734), (2780, 13939), (5260, 7367)]