208419680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:892

約数の個数: 96

約数和(自身を含む): 565367040

約数和(自身を除く): 356947360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 379, 491, 560, 758, 982, 1120, 1516, 1895, 1964, 2455, 2653, 3032, 3437, 3790, 3928, 4910, 5306, 6064, 6874, 7580, 7856, 9820, 10612, 12128, 13265, 13748, 15160, 15712, 17185, 19640, 21224, 26530, 27496, 30320, 34370, 39280, 42448, 53060, 54992, 60640, 68740, 78560, 84896, 106120, 109984, 137480, 186089, 212240, 274960, 372178, 424480, 549920, 744356, 930445, 1302623, 1488712, 1860890, 2605246, 2977424, 3721780, 5210492, 5954848, 6513115, 7443560, 10420984, 13026230, 14887120, 20841968, 26052460, 29774240, 41683936, 52104920, 104209840, 208419680]

約数ペア:

[(1, 208419680), (2, 104209840), (4, 52104920), (5, 41683936), (7, 29774240), (8, 26052460), (10, 20841968), (14, 14887120), (16, 13026230), (20, 10420984), (28, 7443560), (32, 6513115), (35, 5954848), (40, 5210492), (56, 3721780), (70, 2977424), (80, 2605246), (112, 1860890), (140, 1488712), (160, 1302623), (224, 930445), (280, 744356), (379, 549920), (491, 424480), (560, 372178), (758, 274960), (982, 212240), (1120, 186089), (1516, 137480), (1895, 109984), (1964, 106120), (2455, 84896), (2653, 78560), (3032, 68740), (3437, 60640), (3790, 54992), (3928, 53060), (4910, 42448), (5306, 39280), (6064, 34370), (6874, 30320), (7580, 27496), (7856, 26530), (9820, 21224), (10612, 19640), (12128, 17185), (13265, 15712), (13748, 15160)]