778739060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 144

約数和(自身を含む): 1988437248

約数和(自身を除く): 1209698188

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 121, 170, 187, 220, 230, 242, 253, 340, 374, 391, 460, 484, 506, 605, 748, 782, 823, 935, 1012, 1210, 1265, 1564, 1646, 1870, 1955, 2057, 2420, 2530, 2783, 3292, 3740, 3910, 4114, 4115, 4301, 5060, 5566, 7820, 8228, 8230, 8602, 9053, 10285, 11132, 13915, 13991, 16460, 17204, 18106, 18929, 20570, 21505, 27830, 27982, 36212, 37858, 41140, 43010, 45265, 47311, 55660, 55964, 69955, 75716, 86020, 90530, 94622, 94645, 99583, 139910, 153901, 181060, 189244, 189290, 199166, 208219, 236555, 279820, 307802, 321793, 378580, 398332, 416438, 473110, 497915, 615604, 643586, 769505, 832876, 946220, 995830, 1041095, 1287172, 1539010, 1608965, 1692911, 1991660, 2082190, 2290409, 3078020, 3217930, 3385822, 3539723, 4164380, 4580818, 6435860, 6771644, 7079446, 8464555, 9161636, 11452045, 14158892, 16929110, 17698615, 22904090, 33858220, 35397230, 38936953, 45808180, 70794460, 77873906, 155747812, 194684765, 389369530, 778739060]

約数ペア:

[(1, 778739060), (2, 389369530), (4, 194684765), (5, 155747812), (10, 77873906), (11, 70794460), (17, 45808180), (20, 38936953), (22, 35397230), (23, 33858220), (34, 22904090), (44, 17698615), (46, 16929110), (55, 14158892), (68, 11452045), (85, 9161636), (92, 8464555), (110, 7079446), (115, 6771644), (121, 6435860), (170, 4580818), (187, 4164380), (220, 3539723), (230, 3385822), (242, 3217930), (253, 3078020), (340, 2290409), (374, 2082190), (391, 1991660), (460, 1692911), (484, 1608965), (506, 1539010), (605, 1287172), (748, 1041095), (782, 995830), (823, 946220), (935, 832876), (1012, 769505), (1210, 643586), (1265, 615604), (1564, 497915), (1646, 473110), (1870, 416438), (1955, 398332), (2057, 378580), (2420, 321793), (2530, 307802), (2783, 279820), (3292, 236555), (3740, 208219), (3910, 199166), (4114, 189290), (4115, 189244), (4301, 181060), (5060, 153901), (5566, 139910), (7820, 99583), (8228, 94645), (8230, 94622), (8602, 90530), (9053, 86020), (10285, 75716), (11132, 69955), (13915, 55964), (13991, 55660), (16460, 47311), (17204, 45265), (18106, 43010), (18929, 41140), (20570, 37858), (21505, 36212), (27830, 27982)]