340457870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1\times {\mathrm{647}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 621038016

約数和(自身を除く): 280580146

約数列:

[1, 2, 5, 10, 101, 202, 505, 521, 647, 1010, 1042, 1294, 2605, 3235, 5210, 6470, 52621, 65347, 105242, 130694, 263105, 326735, 337087, 526210, 653470, 674174, 1685435, 3370870, 34045787, 68091574, 170228935, 340457870]

約数ペア:

[(1, 340457870), (2, 170228935), (5, 68091574), (10, 34045787), (101, 3370870), (202, 1685435), (505, 674174), (521, 653470), (647, 526210), (1010, 337087), (1042, 326735), (1294, 263105), (2605, 130694), (3235, 105242), (5210, 65347), (6470, 52621)]