23017900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 52590384

約数和(自身を除く): 29572484

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 101, 106, 172, 202, 212, 215, 265, 404, 430, 505, 530, 860, 1010, 1060, 1075, 1325, 2020, 2150, 2279, 2525, 2650, 4300, 4343, 4558, 5050, 5300, 5353, 8686, 9116, 10100, 10706, 11395, 17372, 21412, 21715, 22790, 26765, 43430, 45580, 53530, 56975, 86860, 107060, 108575, 113950, 133825, 217150, 227900, 230179, 267650, 434300, 460358, 535300, 920716, 1150895, 2301790, 4603580, 5754475, 11508950, 23017900]

約数ペア:

[(1, 23017900), (2, 11508950), (4, 5754475), (5, 4603580), (10, 2301790), (20, 1150895), (25, 920716), (43, 535300), (50, 460358), (53, 434300), (86, 267650), (100, 230179), (101, 227900), (106, 217150), (172, 133825), (202, 113950), (212, 108575), (215, 107060), (265, 86860), (404, 56975), (430, 53530), (505, 45580), (530, 43430), (860, 26765), (1010, 22790), (1060, 21715), (1075, 21412), (1325, 17372), (2020, 11395), (2150, 10706), (2279, 10100), (2525, 9116), (2650, 8686), (4300, 5353), (4343, 5300), (4558, 5050)]