1305017200

素因数分解:

$2^4\times 5^2\times {\mathrm{389}}^1\times {\mathrm{8387}}^1$

素因数の和:8794

約数の個数: 60

約数和(自身を含む): 3143738520

約数和(自身を除く): 1838721320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 389, 400, 778, 1556, 1945, 3112, 3890, 6224, 7780, 8387, 9725, 15560, 16774, 19450, 31120, 33548, 38900, 41935, 67096, 77800, 83870, 134192, 155600, 167740, 209675, 335480, 419350, 670960, 838700, 1677400, 3262543, 3354800, 6525086, 13050172, 16312715, 26100344, 32625430, 52200688, 65250860, 81563575, 130501720, 163127150, 261003440, 326254300, 652508600, 1305017200]

約数ペア:

[(1, 1305017200), (2, 652508600), (4, 326254300), (5, 261003440), (8, 163127150), (10, 130501720), (16, 81563575), (20, 65250860), (25, 52200688), (40, 32625430), (50, 26100344), (80, 16312715), (100, 13050172), (200, 6525086), (389, 3354800), (400, 3262543), (778, 1677400), (1556, 838700), (1945, 670960), (3112, 419350), (3890, 335480), (6224, 209675), (7780, 167740), (8387, 155600), (9725, 134192), (15560, 83870), (16774, 77800), (19450, 67096), (31120, 41935), (33548, 38900)]