1985480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1013}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 5201820

約数和(自身を除く): 3216340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1013, 1960, 2026, 4052, 5065, 7091, 8104, 10130, 14182, 20260, 28364, 35455, 40520, 49637, 56728, 70910, 99274, 141820, 198548, 248185, 283640, 397096, 496370, 992740, 1985480]

約数ペア:

[(1, 1985480), (2, 992740), (4, 496370), (5, 397096), (7, 283640), (8, 248185), (10, 198548), (14, 141820), (20, 99274), (28, 70910), (35, 56728), (40, 49637), (49, 40520), (56, 35455), (70, 28364), (98, 20260), (140, 14182), (196, 10130), (245, 8104), (280, 7091), (392, 5065), (490, 4052), (980, 2026), (1013, 1960)]