395883020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49117}}^1$

素因数の和:49170

約数の個数: 48

約数和(自身を含む): 924204288

約数和(自身を除く): 528321268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 49117, 98234, 196468, 245585, 491170, 638521, 982340, 1277042, 1522627, 2554084, 3045254, 3192605, 6090508, 6385210, 7613135, 12770420, 15226270, 19794151, 30452540, 39588302, 79176604, 98970755, 197941510, 395883020]

約数ペア:

[(1, 395883020), (2, 197941510), (4, 98970755), (5, 79176604), (10, 39588302), (13, 30452540), (20, 19794151), (26, 15226270), (31, 12770420), (52, 7613135), (62, 6385210), (65, 6090508), (124, 3192605), (130, 3045254), (155, 2554084), (260, 1522627), (310, 1277042), (403, 982340), (620, 638521), (806, 491170), (1612, 245585), (2015, 196468), (4030, 98234), (8060, 49117)]