290719884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{20479}}^1$

素因数の和:20519

約数の個数: 72

約数和(自身を含む): 839516160

約数和(自身を除く): 548796276

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 2028, 2366, 3549, 4732, 7098, 14196, 20479, 40958, 61437, 81916, 122874, 143353, 245748, 266227, 286706, 430059, 532454, 573412, 798681, 860118, 1064908, 1597362, 1720236, 1863589, 3194724, 3460951, 3727178, 5590767, 6921902, 7454356, 10382853, 11181534, 13843804, 20765706, 22363068, 24226657, 41531412, 48453314, 72679971, 96906628, 145359942, 290719884]

約数ペア:

[(1, 290719884), (2, 145359942), (3, 96906628), (4, 72679971), (6, 48453314), (7, 41531412), (12, 24226657), (13, 22363068), (14, 20765706), (21, 13843804), (26, 11181534), (28, 10382853), (39, 7454356), (42, 6921902), (52, 5590767), (78, 3727178), (84, 3460951), (91, 3194724), (156, 1863589), (169, 1720236), (182, 1597362), (273, 1064908), (338, 860118), (364, 798681), (507, 573412), (546, 532454), (676, 430059), (1014, 286706), (1092, 266227), (1183, 245748), (2028, 143353), (2366, 122874), (3549, 81916), (4732, 61437), (7098, 40958), (14196, 20479)]