128203780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4703}}^1$

素因数の和:4788

約数の個数: 48

約数和(自身を含む): 284497920

約数和(自身を除く): 156294140

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 4703, 5452, 6815, 9406, 13630, 18812, 23515, 27260, 47030, 94060, 136387, 221041, 272774, 442082, 545548, 681935, 884164, 1105205, 1363870, 2210410, 2727740, 4420820, 6410189, 12820378, 25640756, 32050945, 64101890, 128203780]

約数ペア:

[(1, 128203780), (2, 64101890), (4, 32050945), (5, 25640756), (10, 12820378), (20, 6410189), (29, 4420820), (47, 2727740), (58, 2210410), (94, 1363870), (116, 1105205), (145, 884164), (188, 681935), (235, 545548), (290, 442082), (470, 272774), (580, 221041), (940, 136387), (1363, 94060), (2726, 47030), (4703, 27260), (5452, 23515), (6815, 18812), (9406, 13630)]