172913014780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3089}}^1\times {\mathrm{23131}}^1$

素因数の和:26251

約数の個数: 72

約数和(自身を含む): 399275437680

約数和(自身を除く): 226362422900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3089, 6178, 12356, 15445, 23131, 30890, 33979, 46262, 61780, 67958, 92524, 115655, 135916, 169895, 231310, 254441, 339790, 373769, 462620, 508882, 679580, 747538, 1017764, 1272205, 1495076, 1868845, 2544410, 2798851, 3737690, 5088820, 5597702, 7475380, 11195404, 13994255, 27988510, 55977020, 71451659, 142903318, 285806636, 357258295, 714516590, 785968249, 1429033180, 1571936498, 3143872996, 3929841245, 7859682490, 8645650739, 15719364980, 17291301478, 34582602956, 43228253695, 86456507390, 172913014780]

約数ペア:

[(1, 172913014780), (2, 86456507390), (4, 43228253695), (5, 34582602956), (10, 17291301478), (11, 15719364980), (20, 8645650739), (22, 7859682490), (44, 3929841245), (55, 3143872996), (110, 1571936498), (121, 1429033180), (220, 785968249), (242, 714516590), (484, 357258295), (605, 285806636), (1210, 142903318), (2420, 71451659), (3089, 55977020), (6178, 27988510), (12356, 13994255), (15445, 11195404), (23131, 7475380), (30890, 5597702), (33979, 5088820), (46262, 3737690), (61780, 2798851), (67958, 2544410), (92524, 1868845), (115655, 1495076), (135916, 1272205), (169895, 1017764), (231310, 747538), (254441, 679580), (339790, 508882), (373769, 462620)]