679275220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{2753}}^1$

素因数の和:2861

約数の個数: 72

約数和(自身を含む): 1566376056

約数和(自身を除く): 887100836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 169, 260, 292, 338, 365, 676, 730, 845, 949, 1460, 1690, 1898, 2753, 3380, 3796, 4745, 5506, 9490, 11012, 12337, 13765, 18980, 24674, 27530, 35789, 49348, 55060, 61685, 71578, 123370, 143156, 178945, 200969, 246740, 357890, 401938, 465257, 715780, 803876, 930514, 1004845, 1861028, 2009690, 2326285, 2612597, 4019380, 4652570, 5225194, 9305140, 10450388, 13062985, 26125970, 33963761, 52251940, 67927522, 135855044, 169818805, 339637610, 679275220]

約数ペア:

[(1, 679275220), (2, 339637610), (4, 169818805), (5, 135855044), (10, 67927522), (13, 52251940), (20, 33963761), (26, 26125970), (52, 13062985), (65, 10450388), (73, 9305140), (130, 5225194), (146, 4652570), (169, 4019380), (260, 2612597), (292, 2326285), (338, 2009690), (365, 1861028), (676, 1004845), (730, 930514), (845, 803876), (949, 715780), (1460, 465257), (1690, 401938), (1898, 357890), (2753, 246740), (3380, 200969), (3796, 178945), (4745, 143156), (5506, 123370), (9490, 71578), (11012, 61685), (12337, 55060), (13765, 49348), (18980, 35789), (24674, 27530)]