7919900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2774

約数の個数: 36

約数和(自身を含む): 17785320

約数和(自身を除く): 9865420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2731, 2900, 5462, 10924, 13655, 27310, 54620, 68275, 79199, 136550, 158398, 273100, 316796, 395995, 791990, 1583980, 1979975, 3959950, 7919900]

約数ペア:

[(1, 7919900), (2, 3959950), (4, 1979975), (5, 1583980), (10, 791990), (20, 395995), (25, 316796), (29, 273100), (50, 158398), (58, 136550), (100, 79199), (116, 68275), (145, 54620), (290, 27310), (580, 13655), (725, 10924), (1450, 5462), (2731, 2900)]