479938280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{387047}}^1$

素因数の和:387089

約数の個数: 32

約数和(自身を含む): 1114698240

約数和(自身を除く): 634759960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 387047, 774094, 1548188, 1935235, 3096376, 3870470, 7740940, 11998457, 15481880, 23996914, 47993828, 59992285, 95987656, 119984570, 239969140, 479938280]

約数ペア:

[(1, 479938280), (2, 239969140), (4, 119984570), (5, 95987656), (8, 59992285), (10, 47993828), (20, 23996914), (31, 15481880), (40, 11998457), (62, 7740940), (124, 3870470), (155, 3096376), (248, 1935235), (310, 1548188), (620, 774094), (1240, 387047)]