91488880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23339}}^1$

素因数の和:23366

約数の個数: 60

約数和(自身を含む): 247450680

約数和(自身を除く): 155961800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 23339, 46678, 93356, 116695, 163373, 186712, 233390, 326746, 373424, 466780, 653492, 816865, 933560, 1143611, 1306984, 1633730, 1867120, 2287222, 2613968, 3267460, 4574444, 5718055, 6534920, 9148888, 11436110, 13069840, 18297776, 22872220, 45744440, 91488880]

約数ペア:

[(1, 91488880), (2, 45744440), (4, 22872220), (5, 18297776), (7, 13069840), (8, 11436110), (10, 9148888), (14, 6534920), (16, 5718055), (20, 4574444), (28, 3267460), (35, 2613968), (40, 2287222), (49, 1867120), (56, 1633730), (70, 1306984), (80, 1143611), (98, 933560), (112, 816865), (140, 653492), (196, 466780), (245, 373424), (280, 326746), (392, 233390), (490, 186712), (560, 163373), (784, 116695), (980, 93356), (1960, 46678), (3920, 23339)]