3125420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 6871872

約数和(自身を除く): 3746452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 5041, 8804, 10082, 11005, 20164, 22010, 25205, 44020, 50410, 100820, 156271, 312542, 625084, 781355, 1562710, 3125420]

約数ペア:

[(1, 3125420), (2, 1562710), (4, 781355), (5, 625084), (10, 312542), (20, 156271), (31, 100820), (62, 50410), (71, 44020), (124, 25205), (142, 22010), (155, 20164), (284, 11005), (310, 10082), (355, 8804), (620, 5041), (710, 4402), (1420, 2201)]