274931560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{221719}}^1$

素因数の和:221761

約数の個数: 32

約数和(自身を含む): 638553600

約数和(自身を除く): 363622040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 221719, 443438, 886876, 1108595, 1773752, 2217190, 4434380, 6873289, 8868760, 13746578, 27493156, 34366445, 54986312, 68732890, 137465780, 274931560]

約数ペア:

[(1, 274931560), (2, 137465780), (4, 68732890), (5, 54986312), (8, 34366445), (10, 27493156), (20, 13746578), (31, 8868760), (40, 6873289), (62, 4434380), (124, 2217190), (155, 1773752), (248, 1108595), (310, 886876), (620, 443438), (1240, 221719)]