109212860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 235309536

約数和(自身を除く): 126096676

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 197, 212, 265, 394, 523, 530, 788, 985, 1046, 1060, 1970, 2092, 2615, 3940, 5230, 10441, 10460, 20882, 27719, 41764, 52205, 55438, 103031, 104410, 110876, 138595, 206062, 208820, 277190, 412124, 515155, 554380, 1030310, 2060620, 5460643, 10921286, 21842572, 27303215, 54606430, 109212860]

約数ペア:

[(1, 109212860), (2, 54606430), (4, 27303215), (5, 21842572), (10, 10921286), (20, 5460643), (53, 2060620), (106, 1030310), (197, 554380), (212, 515155), (265, 412124), (394, 277190), (523, 208820), (530, 206062), (788, 138595), (985, 110876), (1046, 104410), (1060, 103031), (1970, 55438), (2092, 52205), (2615, 41764), (3940, 27719), (5230, 20882), (10441, 10460)]