218214970

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 398682000

約数和(自身を除く): 180467030

約数列:

[1, 2, 5, 10, 137, 149, 274, 298, 685, 745, 1069, 1370, 1490, 2138, 5345, 10690, 20413, 40826, 102065, 146453, 159281, 204130, 292906, 318562, 732265, 796405, 1464530, 1592810, 21821497, 43642994, 109107485, 218214970]

約数ペア:

[(1, 218214970), (2, 109107485), (5, 43642994), (10, 21821497), (137, 1592810), (149, 1464530), (274, 796405), (298, 732265), (685, 318562), (745, 292906), (1069, 204130), (1370, 159281), (1490, 146453), (2138, 102065), (5345, 40826), (10690, 20413)]