30780250

素因数分解:

$2^1\times 5^3\times {\mathrm{123121}}^1$

素因数の和:123138

約数の個数: 16

約数和(自身を含む): 57621096

約数和(自身を除く): 26840846

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 123121, 246242, 615605, 1231210, 3078025, 6156050, 15390125, 30780250]

約数ペア:

[(1, 30780250), (2, 15390125), (5, 6156050), (10, 3078025), (25, 1231210), (50, 615605), (125, 246242), (250, 123121)]