520025730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 1473292800

約数和(自身を除く): 953267070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 97, 98, 105, 147, 194, 210, 245, 291, 294, 343, 485, 490, 521, 582, 679, 686, 735, 970, 1029, 1042, 1358, 1455, 1470, 1563, 1715, 2037, 2058, 2605, 2910, 3126, 3395, 3430, 3647, 4074, 4753, 5145, 5210, 6790, 7294, 7815, 9506, 10185, 10290, 10941, 14259, 15630, 18235, 20370, 21882, 23765, 25529, 28518, 33271, 36470, 47530, 50537, 51058, 54705, 66542, 71295, 76587, 99813, 101074, 109410, 127645, 142590, 151611, 153174, 166355, 178703, 199626, 252685, 255290, 303222, 332710, 353759, 357406, 382935, 499065, 505370, 536109, 707518, 758055, 765870, 893515, 998130, 1061277, 1072218, 1516110, 1768795, 1787030, 2122554, 2476313, 2680545, 3537590, 4952626, 5306385, 5361090, 7428939, 10612770, 12381565, 14857878, 17334191, 24763130, 34668382, 37144695, 52002573, 74289390, 86670955, 104005146, 173341910, 260012865, 520025730]

約数ペア:

[(1, 520025730), (2, 260012865), (3, 173341910), (5, 104005146), (6, 86670955), (7, 74289390), (10, 52002573), (14, 37144695), (15, 34668382), (21, 24763130), (30, 17334191), (35, 14857878), (42, 12381565), (49, 10612770), (70, 7428939), (97, 5361090), (98, 5306385), (105, 4952626), (147, 3537590), (194, 2680545), (210, 2476313), (245, 2122554), (291, 1787030), (294, 1768795), (343, 1516110), (485, 1072218), (490, 1061277), (521, 998130), (582, 893515), (679, 765870), (686, 758055), (735, 707518), (970, 536109), (1029, 505370), (1042, 499065), (1358, 382935), (1455, 357406), (1470, 353759), (1563, 332710), (1715, 303222), (2037, 255290), (2058, 252685), (2605, 199626), (2910, 178703), (3126, 166355), (3395, 153174), (3430, 151611), (3647, 142590), (4074, 127645), (4753, 109410), (5145, 101074), (5210, 99813), (6790, 76587), (7294, 71295), (7815, 66542), (9506, 54705), (10185, 51058), (10290, 50537), (10941, 47530), (14259, 36470), (15630, 33271), (18235, 28518), (20370, 25529), (21882, 23765)]