208790780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41263}}^1$

素因数の和:41306

約数の個数: 48

約数和(自身を含む): 499129344

約数和(自身を除く): 290338564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 41263, 82526, 165052, 206315, 412630, 453893, 825260, 907786, 949049, 1815572, 1898098, 2269465, 3796196, 4538930, 4745245, 9077860, 9490490, 10439539, 18980980, 20879078, 41758156, 52197695, 104395390, 208790780]

約数ペア:

[(1, 208790780), (2, 104395390), (4, 52197695), (5, 41758156), (10, 20879078), (11, 18980980), (20, 10439539), (22, 9490490), (23, 9077860), (44, 4745245), (46, 4538930), (55, 3796196), (92, 2269465), (110, 1898098), (115, 1815572), (220, 949049), (230, 907786), (253, 825260), (460, 453893), (506, 412630), (1012, 206315), (1265, 165052), (2530, 82526), (5060, 41263)]