308681750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 681198336

約数和(自身を除く): 372516586

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 37, 50, 65, 74, 85, 125, 130, 151, 170, 185, 221, 250, 302, 325, 370, 425, 442, 481, 629, 650, 755, 850, 925, 962, 1105, 1258, 1510, 1625, 1850, 1963, 2125, 2210, 2405, 2567, 3145, 3250, 3775, 3926, 4250, 4625, 4810, 5134, 5525, 5587, 6290, 7550, 8177, 9250, 9815, 11050, 11174, 12025, 12835, 15725, 16354, 18875, 19630, 24050, 25670, 27625, 27935, 31450, 33371, 37750, 40885, 49075, 55250, 55870, 60125, 64175, 66742, 72631, 78625, 81770, 94979, 98150, 120250, 128350, 139675, 145262, 157250, 166855, 189958, 204425, 245375, 279350, 320875, 333710, 363155, 408850, 474895, 490750, 641750, 698375, 726310, 834275, 949790, 1022125, 1234727, 1396750, 1668550, 1815775, 2044250, 2374475, 2469454, 3631550, 4171375, 4748950, 6173635, 8342750, 9078875, 11872375, 12347270, 18157750, 23744750, 30868175, 61736350, 154340875, 308681750]

約数ペア:

[(1, 308681750), (2, 154340875), (5, 61736350), (10, 30868175), (13, 23744750), (17, 18157750), (25, 12347270), (26, 11872375), (34, 9078875), (37, 8342750), (50, 6173635), (65, 4748950), (74, 4171375), (85, 3631550), (125, 2469454), (130, 2374475), (151, 2044250), (170, 1815775), (185, 1668550), (221, 1396750), (250, 1234727), (302, 1022125), (325, 949790), (370, 834275), (425, 726310), (442, 698375), (481, 641750), (629, 490750), (650, 474895), (755, 408850), (850, 363155), (925, 333710), (962, 320875), (1105, 279350), (1258, 245375), (1510, 204425), (1625, 189958), (1850, 166855), (1963, 157250), (2125, 145262), (2210, 139675), (2405, 128350), (2567, 120250), (3145, 98150), (3250, 94979), (3775, 81770), (3926, 78625), (4250, 72631), (4625, 66742), (4810, 64175), (5134, 60125), (5525, 55870), (5587, 55250), (6290, 49075), (7550, 40885), (8177, 37750), (9250, 33371), (9815, 31450), (11050, 27935), (11174, 27625), (12025, 25670), (12835, 24050), (15725, 19630), (16354, 18875)]