852679180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6911}}^1$

素因数の和:7150

約数の個数: 48

約数和(自身を含む): 1857945600

約数和(自身を除く): 1005266420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1990, 3980, 6169, 6911, 12338, 13822, 24676, 27644, 30845, 34555, 61690, 69110, 123380, 138220, 214241, 428482, 856964, 1071205, 1375289, 2142410, 2750578, 4284820, 5501156, 6876445, 13752890, 27505780, 42633959, 85267918, 170535836, 213169795, 426339590, 852679180]

約数ペア:

[(1, 852679180), (2, 426339590), (4, 213169795), (5, 170535836), (10, 85267918), (20, 42633959), (31, 27505780), (62, 13752890), (124, 6876445), (155, 5501156), (199, 4284820), (310, 2750578), (398, 2142410), (620, 1375289), (796, 1071205), (995, 856964), (1990, 428482), (3980, 214241), (6169, 138220), (6911, 123380), (12338, 69110), (13822, 61690), (24676, 34555), (27644, 30845)]