686181880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 1684126080

約数和(自身を除く): 997944200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 101, 103, 136, 170, 194, 202, 206, 340, 388, 404, 412, 485, 505, 515, 680, 776, 808, 824, 970, 1010, 1030, 1649, 1717, 1751, 1940, 2020, 2060, 3298, 3434, 3502, 3880, 4040, 4120, 6596, 6868, 7004, 8245, 8585, 8755, 9797, 9991, 10403, 13192, 13736, 14008, 16490, 17170, 17510, 19594, 19982, 20806, 32980, 34340, 35020, 39188, 39964, 41612, 48985, 49955, 52015, 65960, 68680, 70040, 78376, 79928, 83224, 97970, 99910, 104030, 166549, 169847, 176851, 195940, 199820, 208060, 333098, 339694, 353702, 391880, 399640, 416120, 666196, 679388, 707404, 832745, 849235, 884255, 1009091, 1332392, 1358776, 1414808, 1665490, 1698470, 1768510, 2018182, 3330980, 3396940, 3537020, 4036364, 5045455, 6661960, 6793880, 7074040, 8072728, 10090910, 17154547, 20181820, 34309094, 40363640, 68618188, 85772735, 137236376, 171545470, 343090940, 686181880]

約数ペア:

[(1, 686181880), (2, 343090940), (4, 171545470), (5, 137236376), (8, 85772735), (10, 68618188), (17, 40363640), (20, 34309094), (34, 20181820), (40, 17154547), (68, 10090910), (85, 8072728), (97, 7074040), (101, 6793880), (103, 6661960), (136, 5045455), (170, 4036364), (194, 3537020), (202, 3396940), (206, 3330980), (340, 2018182), (388, 1768510), (404, 1698470), (412, 1665490), (485, 1414808), (505, 1358776), (515, 1332392), (680, 1009091), (776, 884255), (808, 849235), (824, 832745), (970, 707404), (1010, 679388), (1030, 666196), (1649, 416120), (1717, 399640), (1751, 391880), (1940, 353702), (2020, 339694), (2060, 333098), (3298, 208060), (3434, 199820), (3502, 195940), (3880, 176851), (4040, 169847), (4120, 166549), (6596, 104030), (6868, 99910), (7004, 97970), (8245, 83224), (8585, 79928), (8755, 78376), (9797, 70040), (9991, 68680), (10403, 65960), (13192, 52015), (13736, 49955), (14008, 48985), (16490, 41612), (17170, 39964), (17510, 39188), (19594, 35020), (19982, 34340), (20806, 32980)]