4890820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 11797632

約数和(自身を除く): 6906812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 47, 55, 86, 94, 110, 121, 172, 188, 215, 220, 235, 242, 430, 470, 473, 484, 517, 605, 860, 940, 946, 1034, 1210, 1892, 2021, 2068, 2365, 2420, 2585, 4042, 4730, 5170, 5203, 5687, 8084, 9460, 10105, 10340, 10406, 11374, 20210, 20812, 22231, 22748, 26015, 28435, 40420, 44462, 52030, 56870, 88924, 104060, 111155, 113740, 222310, 244541, 444620, 489082, 978164, 1222705, 2445410, 4890820]

約数ペア:

[(1, 4890820), (2, 2445410), (4, 1222705), (5, 978164), (10, 489082), (11, 444620), (20, 244541), (22, 222310), (43, 113740), (44, 111155), (47, 104060), (55, 88924), (86, 56870), (94, 52030), (110, 44462), (121, 40420), (172, 28435), (188, 26015), (215, 22748), (220, 22231), (235, 20812), (242, 20210), (430, 11374), (470, 10406), (473, 10340), (484, 10105), (517, 9460), (605, 8084), (860, 5687), (940, 5203), (946, 5170), (1034, 4730), (1210, 4042), (1892, 2585), (2021, 2420), (2068, 2365)]