30698480

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{769}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 71610000

約数和(自身を除く): 40911520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 769, 998, 1538, 1996, 2495, 3076, 3845, 3992, 4990, 6152, 7690, 7984, 9980, 12304, 15380, 19960, 30760, 39920, 61520, 383731, 767462, 1534924, 1918655, 3069848, 3837310, 6139696, 7674620, 15349240, 30698480]

約数ペア:

[(1, 30698480), (2, 15349240), (4, 7674620), (5, 6139696), (8, 3837310), (10, 3069848), (16, 1918655), (20, 1534924), (40, 767462), (80, 383731), (499, 61520), (769, 39920), (998, 30760), (1538, 19960), (1996, 15380), (2495, 12304), (3076, 9980), (3845, 7984), (3992, 7690), (4990, 6152)]