208049754975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 354017252160

約数和(自身を除く): 145967497185

約数列:

[1, 3, 5, 15, 25, 53, 75, 157, 159, 265, 389, 471, 785, 795, 857, 1167, 1325, 1945, 2355, 2571, 3925, 3975, 4285, 5835, 8321, 9725, 11775, 12855, 20617, 21425, 24963, 29175, 41605, 45421, 61073, 61851, 64275, 103085, 124815, 134549, 136263, 183219, 208025, 227105, 305365, 309255, 333373, 403647, 515425, 624075, 672745, 681315, 916095, 1000119, 1135525, 1526825, 1546275, 1666865, 2018235, 3236869, 3363725, 3406575, 4580475, 5000595, 7131097, 8334325, 9710607, 10091175, 16184345, 17668769, 21393291, 25002975, 35655485, 48553035, 52339561, 53006307, 80921725, 88343845, 106966455, 157018683, 178277425, 242765175, 261697805, 265031535, 441719225, 534832275, 785093415, 1308489025, 1325157675, 2773996733, 3925467075, 8321990199, 13869983665, 41609950995, 69349918325, 208049754975]

約数ペア:

[(1, 208049754975), (3, 69349918325), (5, 41609950995), (15, 13869983665), (25, 8321990199), (53, 3925467075), (75, 2773996733), (157, 1325157675), (159, 1308489025), (265, 785093415), (389, 534832275), (471, 441719225), (785, 265031535), (795, 261697805), (857, 242765175), (1167, 178277425), (1325, 157018683), (1945, 106966455), (2355, 88343845), (2571, 80921725), (3925, 53006307), (3975, 52339561), (4285, 48553035), (5835, 35655485), (8321, 25002975), (9725, 21393291), (11775, 17668769), (12855, 16184345), (20617, 10091175), (21425, 9710607), (24963, 8334325), (29175, 7131097), (41605, 5000595), (45421, 4580475), (61073, 3406575), (61851, 3363725), (64275, 3236869), (103085, 2018235), (124815, 1666865), (134549, 1546275), (136263, 1526825), (183219, 1135525), (208025, 1000119), (227105, 916095), (305365, 681315), (309255, 672745), (333373, 624075), (403647, 515425)]