401285300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{308681}}^1$

素因数の和:308708

約数の個数: 36

約数和(自身を含む): 937775916

約数和(自身を除く): 536490616

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 308681, 617362, 1234724, 1543405, 3086810, 4012853, 6173620, 7717025, 8025706, 15434050, 16051412, 20064265, 30868100, 40128530, 80257060, 100321325, 200642650, 401285300]

約数ペア:

[(1, 401285300), (2, 200642650), (4, 100321325), (5, 80257060), (10, 40128530), (13, 30868100), (20, 20064265), (25, 16051412), (26, 15434050), (50, 8025706), (52, 7717025), (65, 6173620), (100, 4012853), (130, 3086810), (260, 1543405), (325, 1234724), (650, 617362), (1300, 308681)]