190045988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 383043192

約数和(自身を除く): 192997204

約数列:

[1, 2, 4, 11, 22, 41, 44, 61, 82, 121, 122, 157, 164, 242, 244, 314, 451, 484, 628, 671, 902, 1342, 1727, 1804, 2501, 2684, 3454, 4961, 5002, 6437, 6908, 7381, 9577, 9922, 10004, 12874, 14762, 18997, 19154, 19844, 25748, 27511, 29524, 37994, 38308, 55022, 70807, 75988, 105347, 110044, 141614, 210694, 283228, 302621, 392657, 421388, 605242, 778877, 785314, 1158817, 1210484, 1557754, 1570628, 2317634, 3115508, 4319227, 4635268, 8638454, 17276908, 47511497, 95022994, 190045988]

約数ペア:

[(1, 190045988), (2, 95022994), (4, 47511497), (11, 17276908), (22, 8638454), (41, 4635268), (44, 4319227), (61, 3115508), (82, 2317634), (121, 1570628), (122, 1557754), (157, 1210484), (164, 1158817), (242, 785314), (244, 778877), (314, 605242), (451, 421388), (484, 392657), (628, 302621), (671, 283228), (902, 210694), (1342, 141614), (1727, 110044), (1804, 105347), (2501, 75988), (2684, 70807), (3454, 55022), (4961, 38308), (5002, 37994), (6437, 29524), (6908, 27511), (7381, 25748), (9577, 19844), (9922, 19154), (10004, 18997), (12874, 14762)]