1900528625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{490459}}^1$

素因数の和:490505

約数の個数: 16

約数和(自身を含む): 2448376320

約数和(自身を除く): 547847695

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 490459, 2452295, 12261475, 15204229, 61307375, 76021145, 380105725, 1900528625]

約数ペア:

[(1, 1900528625), (5, 380105725), (25, 76021145), (31, 61307375), (125, 15204229), (155, 12261475), (775, 2452295), (3875, 490459)]