2904355280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1171111}}^1$

素因数の和:1171155

約数の個数: 40

約数和(自身を含む): 6970458624

約数和(自身を除く): 4066103344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 1171111, 2342222, 4684444, 5855555, 9368888, 11711110, 18737776, 23422220, 36304441, 46844440, 72608882, 93688880, 145217764, 181522205, 290435528, 363044410, 580871056, 726088820, 1452177640, 2904355280]

約数ペア:

[(1, 2904355280), (2, 1452177640), (4, 726088820), (5, 580871056), (8, 363044410), (10, 290435528), (16, 181522205), (20, 145217764), (31, 93688880), (40, 72608882), (62, 46844440), (80, 36304441), (124, 23422220), (155, 18737776), (248, 11711110), (310, 9368888), (496, 5855555), (620, 4684444), (1240, 2342222), (2480, 1171111)]