620228420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{3547}}^1$

素因数の和:4812

約数の個数: 48

約数和(自身を含む): 1490160000

約数和(自身を除く): 869931580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1249, 2498, 3547, 4996, 6245, 7094, 8743, 12490, 14188, 17486, 17735, 24829, 24980, 34972, 35470, 43715, 49658, 70940, 87430, 99316, 124145, 174860, 248290, 496580, 4430203, 8860406, 17720812, 22151015, 31011421, 44302030, 62022842, 88604060, 124045684, 155057105, 310114210, 620228420]

約数ペア:

[(1, 620228420), (2, 310114210), (4, 155057105), (5, 124045684), (7, 88604060), (10, 62022842), (14, 44302030), (20, 31011421), (28, 22151015), (35, 17720812), (70, 8860406), (140, 4430203), (1249, 496580), (2498, 248290), (3547, 174860), (4996, 124145), (6245, 99316), (7094, 87430), (8743, 70940), (12490, 49658), (14188, 43715), (17486, 35470), (17735, 34972), (24829, 24980)]