283938880

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2281}}^1$

素因数の和:2687

約数の個数: 56

約数和(自身を含む): 678164760

約数和(自身を除く): 394225880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1945, 2281, 3112, 3890, 4562, 6224, 7780, 9124, 11405, 12448, 15560, 18248, 22810, 24896, 31120, 36496, 45620, 62240, 72992, 91240, 124480, 145984, 182480, 364960, 729920, 887309, 1774618, 3549236, 4436545, 7098472, 8873090, 14196944, 17746180, 28393888, 35492360, 56787776, 70984720, 141969440, 283938880]

約数ペア:

[(1, 283938880), (2, 141969440), (4, 70984720), (5, 56787776), (8, 35492360), (10, 28393888), (16, 17746180), (20, 14196944), (32, 8873090), (40, 7098472), (64, 4436545), (80, 3549236), (160, 1774618), (320, 887309), (389, 729920), (778, 364960), (1556, 182480), (1945, 145984), (2281, 124480), (3112, 91240), (3890, 72992), (4562, 62240), (6224, 45620), (7780, 36496), (9124, 31120), (11405, 24896), (12448, 22810), (15560, 18248)]