201628075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 301498560

約数和(自身を除く): 99870485

約数列:

[1, 5, 11, 17, 25, 43, 55, 59, 85, 187, 215, 275, 289, 295, 425, 473, 649, 731, 935, 1003, 1075, 1445, 1475, 2365, 2537, 3179, 3245, 3655, 4675, 5015, 7225, 8041, 11033, 11825, 12427, 12685, 15895, 16225, 17051, 18275, 25075, 27907, 40205, 43129, 55165, 62135, 63425, 79475, 85255, 136697, 139535, 187561, 201025, 215645, 275825, 310675, 426275, 474419, 683485, 697675, 733193, 937805, 1078225, 2372095, 3417425, 3665965, 4689025, 8065123, 11860475, 18329825, 40325615, 201628075]

約数ペア:

[(1, 201628075), (5, 40325615), (11, 18329825), (17, 11860475), (25, 8065123), (43, 4689025), (55, 3665965), (59, 3417425), (85, 2372095), (187, 1078225), (215, 937805), (275, 733193), (289, 697675), (295, 683485), (425, 474419), (473, 426275), (649, 310675), (731, 275825), (935, 215645), (1003, 201025), (1075, 187561), (1445, 139535), (1475, 136697), (2365, 85255), (2537, 79475), (3179, 63425), (3245, 62135), (3655, 55165), (4675, 43129), (5015, 40205), (7225, 27907), (8041, 25075), (11033, 18275), (11825, 17051), (12427, 16225), (12685, 15895)]