2223100

素因数分解:

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

素因数の和:115

約数の個数: 72

約数和(自身を含む): 5499648

約数和(自身を除く): 3276548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 47, 50, 55, 86, 94, 100, 110, 172, 188, 215, 220, 235, 275, 430, 470, 473, 517, 550, 860, 940, 946, 1034, 1075, 1100, 1175, 1892, 2021, 2068, 2150, 2350, 2365, 2585, 4042, 4300, 4700, 4730, 5170, 8084, 9460, 10105, 10340, 11825, 12925, 20210, 22231, 23650, 25850, 40420, 44462, 47300, 50525, 51700, 88924, 101050, 111155, 202100, 222310, 444620, 555775, 1111550, 2223100]

約数ペア:

[(1, 2223100), (2, 1111550), (4, 555775), (5, 444620), (10, 222310), (11, 202100), (20, 111155), (22, 101050), (25, 88924), (43, 51700), (44, 50525), (47, 47300), (50, 44462), (55, 40420), (86, 25850), (94, 23650), (100, 22231), (110, 20210), (172, 12925), (188, 11825), (215, 10340), (220, 10105), (235, 9460), (275, 8084), (430, 5170), (470, 4730), (473, 4700), (517, 4300), (550, 4042), (860, 2585), (940, 2365), (946, 2350), (1034, 2150), (1075, 2068), (1100, 2021), (1175, 1892)]