143750840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67807}}^1$

素因数の和:67871

約数の個数: 32

約数和(自身を含む): 329546880

約数和(自身を除く): 185796040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 67807, 135614, 271228, 339035, 542456, 678070, 1356140, 2712280, 3593771, 7187542, 14375084, 17968855, 28750168, 35937710, 71875420, 143750840]

約数ペア:

[(1, 143750840), (2, 71875420), (4, 35937710), (5, 28750168), (8, 17968855), (10, 14375084), (20, 7187542), (40, 3593771), (53, 2712280), (106, 1356140), (212, 678070), (265, 542456), (424, 339035), (530, 271228), (1060, 135614), (2120, 67807)]