396104980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 884334024

約数和(自身を除く): 488229044

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 557, 620, 740, 961, 1114, 1147, 1922, 2228, 2294, 2785, 3844, 4588, 4805, 5570, 5735, 9610, 11140, 11470, 17267, 19220, 20609, 22940, 34534, 35557, 41218, 69068, 71114, 82436, 86335, 103045, 142228, 172670, 177785, 206090, 345340, 355570, 412180, 535277, 638879, 711140, 1070554, 1277758, 2141108, 2555516, 2676385, 3194395, 5352770, 6388790, 10705540, 12777580, 19805249, 39610498, 79220996, 99026245, 198052490, 396104980]

約数ペア:

[(1, 396104980), (2, 198052490), (4, 99026245), (5, 79220996), (10, 39610498), (20, 19805249), (31, 12777580), (37, 10705540), (62, 6388790), (74, 5352770), (124, 3194395), (148, 2676385), (155, 2555516), (185, 2141108), (310, 1277758), (370, 1070554), (557, 711140), (620, 638879), (740, 535277), (961, 412180), (1114, 355570), (1147, 345340), (1922, 206090), (2228, 177785), (2294, 172670), (2785, 142228), (3844, 103045), (4588, 86335), (4805, 82436), (5570, 71114), (5735, 69068), (9610, 41218), (11140, 35557), (11470, 34534), (17267, 22940), (19220, 20609)]