104209840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 278196480

約数和(自身を除く): 173986640

約数列:

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

約数ペア:

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