1901960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 4532760

約数和(自身を除く): 2630800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2797, 5594, 11188, 13985, 22376, 27970, 47549, 55940, 95098, 111880, 190196, 237745, 380392, 475490, 950980, 1901960]

約数ペア:

[(1, 1901960), (2, 950980), (4, 475490), (5, 380392), (8, 237745), (10, 190196), (17, 111880), (20, 95098), (34, 55940), (40, 47549), (68, 27970), (85, 22376), (136, 13985), (170, 11188), (340, 5594), (680, 2797)]