489602820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1165721}}^1$

素因数の和:1165740

約数の個数: 48

約数和(自身を含む): 1566730368

約数和(自身を除く): 1077127548

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, 1165721, 2331442, 3497163, 4662884, 5828605, 6994326, 8160047, 11657210, 13988652, 16320094, 17485815, 23314420, 24480141, 32640188, 34971630, 40800235, 48960282, 69943260, 81600470, 97920564, 122400705, 163200940, 244801410, 489602820]

約数ペア:

[(1, 489602820), (2, 244801410), (3, 163200940), (4, 122400705), (5, 97920564), (6, 81600470), (7, 69943260), (10, 48960282), (12, 40800235), (14, 34971630), (15, 32640188), (20, 24480141), (21, 23314420), (28, 17485815), (30, 16320094), (35, 13988652), (42, 11657210), (60, 8160047), (70, 6994326), (84, 5828605), (105, 4662884), (140, 3497163), (210, 2331442), (420, 1165721)]