128373800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{2221}}^1$

素因数の和:2271

約数の個数: 72

約数和(自身を含む): 317201610

約数和(自身を除く): 188827810

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 340, 425, 578, 680, 850, 1156, 1445, 1700, 2221, 2312, 2890, 3400, 4442, 5780, 7225, 8884, 11105, 11560, 14450, 17768, 22210, 28900, 37757, 44420, 55525, 57800, 75514, 88840, 111050, 151028, 188785, 222100, 302056, 377570, 444200, 641869, 755140, 943925, 1283738, 1510280, 1887850, 2567476, 3209345, 3775700, 5134952, 6418690, 7551400, 12837380, 16046725, 25674760, 32093450, 64186900, 128373800]

約数ペア:

[(1, 128373800), (2, 64186900), (4, 32093450), (5, 25674760), (8, 16046725), (10, 12837380), (17, 7551400), (20, 6418690), (25, 5134952), (34, 3775700), (40, 3209345), (50, 2567476), (68, 1887850), (85, 1510280), (100, 1283738), (136, 943925), (170, 755140), (200, 641869), (289, 444200), (340, 377570), (425, 302056), (578, 222100), (680, 188785), (850, 151028), (1156, 111050), (1445, 88840), (1700, 75514), (2221, 57800), (2312, 55525), (2890, 44420), (3400, 37757), (4442, 28900), (5780, 22210), (7225, 17768), (8884, 14450), (11105, 11560)]