201431750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61979}}^1$

素因数の和:62009

約数の個数: 32

約数和(自身を含む): 406092960

約数和(自身を除く): 204661210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 61979, 123958, 309895, 619790, 805727, 1549475, 1611454, 3098950, 4028635, 7747375, 8057270, 15494750, 20143175, 40286350, 100715875, 201431750]

約数ペア:

[(1, 201431750), (2, 100715875), (5, 40286350), (10, 20143175), (13, 15494750), (25, 8057270), (26, 7747375), (50, 4028635), (65, 3098950), (125, 1611454), (130, 1549475), (250, 805727), (325, 619790), (650, 309895), (1625, 123958), (3250, 61979)]