1978491010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:835

約数の個数: 64

約数和(自身を含む): 3742848000

約数和(自身を除く): 1764356990

約数列:

[1, 2, 5, 10, 37, 74, 79, 113, 158, 185, 226, 370, 395, 565, 599, 790, 1130, 1198, 2923, 2995, 4181, 5846, 5990, 8362, 8927, 14615, 17854, 20905, 22163, 29230, 41810, 44326, 44635, 47321, 67687, 89270, 94642, 110815, 135374, 221630, 236605, 330299, 338435, 473210, 660598, 676870, 1651495, 1750877, 2504419, 3302990, 3501754, 5008838, 5347273, 8754385, 10694546, 12522095, 17508770, 25044190, 26736365, 53472730, 197849101, 395698202, 989245505, 1978491010]

約数ペア:

[(1, 1978491010), (2, 989245505), (5, 395698202), (10, 197849101), (37, 53472730), (74, 26736365), (79, 25044190), (113, 17508770), (158, 12522095), (185, 10694546), (226, 8754385), (370, 5347273), (395, 5008838), (565, 3501754), (599, 3302990), (790, 2504419), (1130, 1750877), (1198, 1651495), (2923, 676870), (2995, 660598), (4181, 473210), (5846, 338435), (5990, 330299), (8362, 236605), (8927, 221630), (14615, 135374), (17854, 110815), (20905, 94642), (22163, 89270), (29230, 67687), (41810, 47321), (44326, 44635)]