9438820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 21268800

約数和(自身を除く): 11829980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 421, 590, 842, 1121, 1180, 1684, 2105, 2242, 4210, 4484, 5605, 7999, 8420, 11210, 15998, 22420, 24839, 31996, 39995, 49678, 79990, 99356, 124195, 159980, 248390, 471941, 496780, 943882, 1887764, 2359705, 4719410, 9438820]

約数ペア:

[(1, 9438820), (2, 4719410), (4, 2359705), (5, 1887764), (10, 943882), (19, 496780), (20, 471941), (38, 248390), (59, 159980), (76, 124195), (95, 99356), (118, 79990), (190, 49678), (236, 39995), (295, 31996), (380, 24839), (421, 22420), (590, 15998), (842, 11210), (1121, 8420), (1180, 7999), (1684, 5605), (2105, 4484), (2242, 4210)]