2019911500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{51137}}^1$

素因数の和:51235

約数の個数: 48

約数和(自身を含む): 4467415680

約数和(自身を除く): 2447504180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 7900, 9875, 19750, 39500, 51137, 102274, 204548, 255685, 511370, 1022740, 1278425, 2556850, 4039823, 5113700, 6392125, 8079646, 12784250, 16159292, 20199115, 25568500, 40398230, 80796460, 100995575, 201991150, 403982300, 504977875, 1009955750, 2019911500]

約数ペア:

[(1, 2019911500), (2, 1009955750), (4, 504977875), (5, 403982300), (10, 201991150), (20, 100995575), (25, 80796460), (50, 40398230), (79, 25568500), (100, 20199115), (125, 16159292), (158, 12784250), (250, 8079646), (316, 6392125), (395, 5113700), (500, 4039823), (790, 2556850), (1580, 1278425), (1975, 1022740), (3950, 511370), (7900, 255685), (9875, 204548), (19750, 102274), (39500, 51137)]