311515140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305407}}^1$

素因数の和:305436

約数の個数: 48

約数和(自身を含む): 923553792

約数和(自身を除く): 612038652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 305407, 610814, 916221, 1221628, 1527035, 1832442, 3054070, 3664884, 4581105, 5191919, 6108140, 9162210, 10383838, 15575757, 18324420, 20767676, 25959595, 31151514, 51919190, 62303028, 77878785, 103838380, 155757570, 311515140]

約数ペア:

[(1, 311515140), (2, 155757570), (3, 103838380), (4, 77878785), (5, 62303028), (6, 51919190), (10, 31151514), (12, 25959595), (15, 20767676), (17, 18324420), (20, 15575757), (30, 10383838), (34, 9162210), (51, 6108140), (60, 5191919), (68, 4581105), (85, 3664884), (102, 3054070), (170, 1832442), (204, 1527035), (255, 1221628), (340, 916221), (510, 610814), (1020, 305407)]