1888900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1480

約数の個数: 36

約数和(自身を含む): 4417252

約数和(自身を除く): 2528352

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1453, 2906, 5812, 7265, 14530, 18889, 29060, 36325, 37778, 72650, 75556, 94445, 145300, 188890, 377780, 472225, 944450, 1888900]

約数ペア:

[(1, 1888900), (2, 944450), (4, 472225), (5, 377780), (10, 188890), (13, 145300), (20, 94445), (25, 75556), (26, 72650), (50, 37778), (52, 36325), (65, 29060), (100, 18889), (130, 14530), (260, 7265), (325, 5812), (650, 2906), (1300, 1453)]