217340110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{72689}}^1$

素因数の和:72732

約数の個数: 32

約数和(自身を含む): 439629120

約数和(自身を除く): 222289010

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 72689, 145378, 363445, 726890, 944957, 1671847, 1889914, 3343694, 4724785, 8359235, 9449570, 16718470, 21734011, 43468022, 108670055, 217340110]

約数ペア:

[(1, 217340110), (2, 108670055), (5, 43468022), (10, 21734011), (13, 16718470), (23, 9449570), (26, 8359235), (46, 4724785), (65, 3343694), (115, 1889914), (130, 1671847), (230, 944957), (299, 726890), (598, 363445), (1495, 145378), (2990, 72689)]