218040980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 507451392

約数和(自身を除く): 289410412

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 137, 151, 155, 170, 274, 302, 310, 340, 527, 548, 604, 620, 685, 755, 1054, 1370, 1510, 2108, 2329, 2567, 2635, 2740, 3020, 4247, 4658, 4681, 5134, 5270, 8494, 9316, 9362, 10268, 10540, 11645, 12835, 16988, 18724, 20687, 21235, 23290, 23405, 25670, 41374, 42470, 46580, 46810, 51340, 72199, 79577, 82748, 84940, 93620, 103435, 144398, 159154, 206870, 288796, 318308, 351679, 360995, 397885, 413740, 641297, 703358, 721990, 795770, 1282594, 1406716, 1443980, 1591540, 1758395, 2565188, 3206485, 3516790, 6412970, 7033580, 10902049, 12825940, 21804098, 43608196, 54510245, 109020490, 218040980]

約数ペア:

[(1, 218040980), (2, 109020490), (4, 54510245), (5, 43608196), (10, 21804098), (17, 12825940), (20, 10902049), (31, 7033580), (34, 6412970), (62, 3516790), (68, 3206485), (85, 2565188), (124, 1758395), (137, 1591540), (151, 1443980), (155, 1406716), (170, 1282594), (274, 795770), (302, 721990), (310, 703358), (340, 641297), (527, 413740), (548, 397885), (604, 360995), (620, 351679), (685, 318308), (755, 288796), (1054, 206870), (1370, 159154), (1510, 144398), (2108, 103435), (2329, 93620), (2567, 84940), (2635, 82748), (2740, 79577), (3020, 72199), (4247, 51340), (4658, 46810), (4681, 46580), (5134, 42470), (5270, 41374), (8494, 25670), (9316, 23405), (9362, 23290), (10268, 21235), (10540, 20687), (11645, 18724), (12835, 16988)]