72528100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 163614528

約数和(自身を除く): 91086428

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 101, 167, 172, 202, 215, 334, 404, 430, 505, 668, 835, 860, 1010, 1075, 1670, 2020, 2150, 2525, 3340, 4175, 4300, 4343, 5050, 7181, 8350, 8686, 10100, 14362, 16700, 16867, 17372, 21715, 28724, 33734, 35905, 43430, 67468, 71810, 84335, 86860, 108575, 143620, 168670, 179525, 217150, 337340, 359050, 421675, 434300, 718100, 725281, 843350, 1450562, 1686700, 2901124, 3626405, 7252810, 14505620, 18132025, 36264050, 72528100]

約数ペア:

[(1, 72528100), (2, 36264050), (4, 18132025), (5, 14505620), (10, 7252810), (20, 3626405), (25, 2901124), (43, 1686700), (50, 1450562), (86, 843350), (100, 725281), (101, 718100), (167, 434300), (172, 421675), (202, 359050), (215, 337340), (334, 217150), (404, 179525), (430, 168670), (505, 143620), (668, 108575), (835, 86860), (860, 84335), (1010, 71810), (1075, 67468), (1670, 43430), (2020, 35905), (2150, 33734), (2525, 28724), (3340, 21715), (4175, 17372), (4300, 16867), (4343, 16700), (5050, 14362), (7181, 10100), (8350, 8686)]