71264800

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 175184100

約数和(自身を除く): 103919300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 389, 400, 458, 778, 800, 916, 1145, 1556, 1832, 1945, 2290, 3112, 3664, 3890, 4580, 5725, 6224, 7328, 7780, 9160, 9725, 11450, 12448, 15560, 18320, 19450, 22900, 31120, 36640, 38900, 45800, 62240, 77800, 89081, 91600, 155600, 178162, 183200, 311200, 356324, 445405, 712648, 890810, 1425296, 1781620, 2227025, 2850592, 3563240, 4454050, 7126480, 8908100, 14252960, 17816200, 35632400, 71264800]

約数ペア:

[(1, 71264800), (2, 35632400), (4, 17816200), (5, 14252960), (8, 8908100), (10, 7126480), (16, 4454050), (20, 3563240), (25, 2850592), (32, 2227025), (40, 1781620), (50, 1425296), (80, 890810), (100, 712648), (160, 445405), (200, 356324), (229, 311200), (389, 183200), (400, 178162), (458, 155600), (778, 91600), (800, 89081), (916, 77800), (1145, 62240), (1556, 45800), (1832, 38900), (1945, 36640), (2290, 31120), (3112, 22900), (3664, 19450), (3890, 18320), (4580, 15560), (5725, 12448), (6224, 11450), (7328, 9725), (7780, 9160)]