2193201320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{898853}}^1$

素因数の和:898925

約数の個数: 32

約数和(自身を含む): 5015605320

約数和(自身を除く): 2822404000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 898853, 1797706, 3595412, 4494265, 7190824, 8988530, 17977060, 35954120, 54830033, 109660066, 219320132, 274150165, 438640264, 548300330, 1096600660, 2193201320]

約数ペア:

[(1, 2193201320), (2, 1096600660), (4, 548300330), (5, 438640264), (8, 274150165), (10, 219320132), (20, 109660066), (40, 54830033), (61, 35954120), (122, 17977060), (244, 8988530), (305, 7190824), (488, 4494265), (610, 3595412), (1220, 1797706), (2440, 898853)]