291208120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040029}}^1$

素因数の和:1040047

約数の個数: 32

約数和(自身を含む): 748821600

約数和(自身を除く): 457613480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040029, 2080058, 4160116, 5200145, 7280203, 8320232, 10400290, 14560406, 20800580, 29120812, 36401015, 41601160, 58241624, 72802030, 145604060, 291208120]

約数ペア:

[(1, 291208120), (2, 145604060), (4, 72802030), (5, 58241624), (7, 41601160), (8, 36401015), (10, 29120812), (14, 20800580), (20, 14560406), (28, 10400290), (35, 8320232), (40, 7280203), (56, 5200145), (70, 4160116), (140, 2080058), (280, 1040029)]