4395490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 8916480

約数和(自身を除く): 4520990

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1289, 1705, 2578, 3410, 6445, 12890, 14179, 28358, 39959, 70895, 79918, 141790, 199795, 399590, 439549, 879098, 2197745, 4395490]

約数ペア:

[(1, 4395490), (2, 2197745), (5, 879098), (10, 439549), (11, 399590), (22, 199795), (31, 141790), (55, 79918), (62, 70895), (110, 39959), (155, 28358), (310, 14179), (341, 12890), (682, 6445), (1289, 3410), (1705, 2578)]