42288700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 95618880

約数和(自身を除く): 53330180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 79, 100, 101, 106, 158, 202, 212, 265, 316, 395, 404, 505, 530, 790, 1010, 1060, 1325, 1580, 1975, 2020, 2525, 2650, 3950, 4187, 5050, 5300, 5353, 7900, 7979, 8374, 10100, 10706, 15958, 16748, 20935, 21412, 26765, 31916, 39895, 41870, 53530, 79790, 83740, 104675, 107060, 133825, 159580, 199475, 209350, 267650, 398950, 418700, 422887, 535300, 797900, 845774, 1691548, 2114435, 4228870, 8457740, 10572175, 21144350, 42288700]

約数ペア:

[(1, 42288700), (2, 21144350), (4, 10572175), (5, 8457740), (10, 4228870), (20, 2114435), (25, 1691548), (50, 845774), (53, 797900), (79, 535300), (100, 422887), (101, 418700), (106, 398950), (158, 267650), (202, 209350), (212, 199475), (265, 159580), (316, 133825), (395, 107060), (404, 104675), (505, 83740), (530, 79790), (790, 53530), (1010, 41870), (1060, 39895), (1325, 31916), (1580, 26765), (1975, 21412), (2020, 20935), (2525, 16748), (2650, 15958), (3950, 10706), (4187, 10100), (5050, 8374), (5300, 7979), (5353, 7900)]