21865147190800

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{8387}}^1\times {\mathrm{46889}}^1$

素因数の和:55433

約数の個数: 120

約数和(自身を含む): 52916374072800

約数和(自身を除く): 31051226882000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1390, 2224, 2780, 3475, 5560, 6950, 8387, 11120, 13900, 16774, 27800, 33548, 41935, 46889, 55600, 67096, 83870, 93778, 134192, 167740, 187556, 209675, 234445, 335480, 375112, 419350, 468890, 670960, 750224, 838700, 937780, 1165793, 1172225, 1677400, 1875560, 2331586, 2344450, 3354800, 3751120, 4663172, 4688900, 5828965, 6517571, 9326344, 9377800, 11657930, 13035142, 18652688, 18755600, 23315860, 26070284, 29144825, 32587855, 46631720, 52140568, 58289650, 65175710, 93263440, 104281136, 116579300, 130351420, 162939275, 233158600, 260702840, 325878550, 393258043, 466317200, 521405680, 651757100, 786516086, 1303514200, 1573032172, 1966290215, 2607028400, 3146064344, 3932580430, 6292128688, 7865160860, 9831451075, 15730321720, 19662902150, 31460643440, 39325804300, 54662867977, 78651608600, 109325735954, 157303217200, 218651471908, 273314339885, 437302943816, 546628679770, 874605887632, 1093257359540, 1366571699425, 2186514719080, 2733143398850, 4373029438160, 5466286797700, 10932573595400, 21865147190800]

約数ペア:

[(1, 21865147190800), (2, 10932573595400), (4, 5466286797700), (5, 4373029438160), (8, 2733143398850), (10, 2186514719080), (16, 1366571699425), (20, 1093257359540), (25, 874605887632), (40, 546628679770), (50, 437302943816), (80, 273314339885), (100, 218651471908), (139, 157303217200), (200, 109325735954), (278, 78651608600), (400, 54662867977), (556, 39325804300), (695, 31460643440), (1112, 19662902150), (1390, 15730321720), (2224, 9831451075), (2780, 7865160860), (3475, 6292128688), (5560, 3932580430), (6950, 3146064344), (8387, 2607028400), (11120, 1966290215), (13900, 1573032172), (16774, 1303514200), (27800, 786516086), (33548, 651757100), (41935, 521405680), (46889, 466317200), (55600, 393258043), (67096, 325878550), (83870, 260702840), (93778, 233158600), (134192, 162939275), (167740, 130351420), (187556, 116579300), (209675, 104281136), (234445, 93263440), (335480, 65175710), (375112, 58289650), (419350, 52140568), (468890, 46631720), (670960, 32587855), (750224, 29144825), (838700, 26070284), (937780, 23315860), (1165793, 18755600), (1172225, 18652688), (1677400, 13035142), (1875560, 11657930), (2331586, 9377800), (2344450, 9326344), (3354800, 6517571), (3751120, 5828965), (4663172, 4688900)]