42897490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 80870400

約数和(自身を除く): 37972910

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1949, 2201, 3898, 4402, 9745, 11005, 19490, 22010, 60419, 120838, 138379, 276758, 302095, 604190, 691895, 1383790, 4289749, 8579498, 21448745, 42897490]

約数ペア:

[(1, 42897490), (2, 21448745), (5, 8579498), (10, 4289749), (31, 1383790), (62, 691895), (71, 604190), (142, 302095), (155, 276758), (310, 138379), (355, 120838), (710, 60419), (1949, 22010), (2201, 19490), (3898, 11005), (4402, 9745)]