521420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 36

約数和(自身を含む): 1170624

約数和(自身を除く): 649204

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 841, 899, 1682, 1798, 3364, 3596, 4205, 4495, 8410, 8990, 16820, 17980, 26071, 52142, 104284, 130355, 260710, 521420]

約数ペア:

[(1, 521420), (2, 260710), (4, 130355), (5, 104284), (10, 52142), (20, 26071), (29, 17980), (31, 16820), (58, 8990), (62, 8410), (116, 4495), (124, 4205), (145, 3596), (155, 3364), (290, 1798), (310, 1682), (580, 899), (620, 841)]