315888980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 751064832

約数和(自身を除く): 435175852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 151, 185, 220, 257, 302, 370, 407, 514, 604, 740, 755, 814, 1028, 1285, 1510, 1628, 1661, 2035, 2570, 2827, 3020, 3322, 4070, 5140, 5587, 5654, 6644, 8140, 8305, 9509, 11174, 11308, 14135, 16610, 19018, 22348, 27935, 28270, 33220, 38036, 38807, 47545, 55870, 56540, 61457, 77614, 95090, 104599, 111740, 122914, 155228, 190180, 194035, 209198, 245828, 307285, 388070, 418396, 426877, 522995, 614570, 776140, 853754, 1045990, 1229140, 1435859, 1707508, 2091980, 2134385, 2871718, 4268770, 5743436, 7179295, 8537540, 14358590, 15794449, 28717180, 31588898, 63177796, 78972245, 157944490, 315888980]

約数ペア:

[(1, 315888980), (2, 157944490), (4, 78972245), (5, 63177796), (10, 31588898), (11, 28717180), (20, 15794449), (22, 14358590), (37, 8537540), (44, 7179295), (55, 5743436), (74, 4268770), (110, 2871718), (148, 2134385), (151, 2091980), (185, 1707508), (220, 1435859), (257, 1229140), (302, 1045990), (370, 853754), (407, 776140), (514, 614570), (604, 522995), (740, 426877), (755, 418396), (814, 388070), (1028, 307285), (1285, 245828), (1510, 209198), (1628, 194035), (1661, 190180), (2035, 155228), (2570, 122914), (2827, 111740), (3020, 104599), (3322, 95090), (4070, 77614), (5140, 61457), (5587, 56540), (5654, 55870), (6644, 47545), (8140, 38807), (8305, 38036), (9509, 33220), (11174, 28270), (11308, 27935), (14135, 22348), (16610, 19018)]