31878460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 71781696

約数和(自身を除く): 39903236

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 1873, 3404, 3746, 4255, 7492, 8510, 9365, 17020, 18730, 37460, 43079, 69301, 86158, 138602, 172316, 215395, 277204, 346505, 430790, 693010, 861580, 1386020, 1593923, 3187846, 6375692, 7969615, 15939230, 31878460]

約数ペア:

[(1, 31878460), (2, 15939230), (4, 7969615), (5, 6375692), (10, 3187846), (20, 1593923), (23, 1386020), (37, 861580), (46, 693010), (74, 430790), (92, 346505), (115, 277204), (148, 215395), (185, 172316), (230, 138602), (370, 86158), (460, 69301), (740, 43079), (851, 37460), (1702, 18730), (1873, 17020), (3404, 9365), (3746, 8510), (4255, 7492)]