201720610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221671}}^1$

素因数の和:221698

約数の個数: 32

約数和(自身を含む): 446890752

約数和(自身を除く): 245170142

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 221671, 443342, 1108355, 1551697, 2216710, 2881723, 3103394, 5763446, 7758485, 14408615, 15516970, 20172061, 28817230, 40344122, 100860305, 201720610]

約数ペア:

[(1, 201720610), (2, 100860305), (5, 40344122), (7, 28817230), (10, 20172061), (13, 15516970), (14, 14408615), (26, 7758485), (35, 5763446), (65, 3103394), (70, 2881723), (91, 2216710), (130, 1551697), (182, 1108355), (455, 443342), (910, 221671)]