317749180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 787957632

約数和(自身を除く): 470208452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 197, 205, 281, 287, 394, 410, 562, 574, 788, 820, 985, 1124, 1148, 1379, 1405, 1435, 1967, 1970, 2758, 2810, 2870, 3934, 3940, 5516, 5620, 5740, 6895, 7868, 8077, 9835, 11521, 13790, 16154, 19670, 23042, 27580, 32308, 39340, 40385, 46084, 55357, 56539, 57605, 80647, 80770, 110714, 113078, 115210, 161294, 161540, 221428, 226156, 230420, 276785, 282695, 322588, 387499, 403235, 553570, 565390, 774998, 806470, 1107140, 1130780, 1549996, 1612940, 1937495, 2269637, 3874990, 4539274, 7749980, 9078548, 11348185, 15887459, 22696370, 31774918, 45392740, 63549836, 79437295, 158874590, 317749180]

約数ペア:

[(1, 317749180), (2, 158874590), (4, 79437295), (5, 63549836), (7, 45392740), (10, 31774918), (14, 22696370), (20, 15887459), (28, 11348185), (35, 9078548), (41, 7749980), (70, 4539274), (82, 3874990), (140, 2269637), (164, 1937495), (197, 1612940), (205, 1549996), (281, 1130780), (287, 1107140), (394, 806470), (410, 774998), (562, 565390), (574, 553570), (788, 403235), (820, 387499), (985, 322588), (1124, 282695), (1148, 276785), (1379, 230420), (1405, 226156), (1435, 221428), (1967, 161540), (1970, 161294), (2758, 115210), (2810, 113078), (2870, 110714), (3934, 80770), (3940, 80647), (5516, 57605), (5620, 56539), (5740, 55357), (6895, 46084), (7868, 40385), (8077, 39340), (9835, 32308), (11521, 27580), (13790, 23042), (16154, 19670)]