190982820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{454721}}^1$

素因数の和:454740

約数の個数: 48

約数和(自身を含む): 611146368

約数和(自身を除く): 420163548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 454721, 909442, 1364163, 1818884, 2273605, 2728326, 3183047, 4547210, 5456652, 6366094, 6820815, 9094420, 9549141, 12732188, 13641630, 15915235, 19098282, 27283260, 31830470, 38196564, 47745705, 63660940, 95491410, 190982820]

約数ペア:

[(1, 190982820), (2, 95491410), (3, 63660940), (4, 47745705), (5, 38196564), (6, 31830470), (7, 27283260), (10, 19098282), (12, 15915235), (14, 13641630), (15, 12732188), (20, 9549141), (21, 9094420), (28, 6820815), (30, 6366094), (35, 5456652), (42, 4547210), (60, 3183047), (70, 2728326), (84, 2273605), (105, 1818884), (140, 1364163), (210, 909442), (420, 454721)]