2142260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 2647756

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 53, 86, 94, 106, 172, 188, 212, 215, 235, 265, 430, 470, 530, 860, 940, 1060, 2021, 2279, 2491, 4042, 4558, 4982, 8084, 9116, 9964, 10105, 11395, 12455, 20210, 22790, 24910, 40420, 45580, 49820, 107113, 214226, 428452, 535565, 1071130, 2142260]

約数ペア:

[(1, 2142260), (2, 1071130), (4, 535565), (5, 428452), (10, 214226), (20, 107113), (43, 49820), (47, 45580), (53, 40420), (86, 24910), (94, 22790), (106, 20210), (172, 12455), (188, 11395), (212, 10105), (215, 9964), (235, 9116), (265, 8084), (430, 4982), (470, 4558), (530, 4042), (860, 2491), (940, 2279), (1060, 2021)]