448980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1069}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 1438080

約数和(自身を除く): 989100

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, 1069, 2138, 3207, 4276, 5345, 6414, 7483, 10690, 12828, 14966, 16035, 21380, 22449, 29932, 32070, 37415, 44898, 64140, 74830, 89796, 112245, 149660, 224490, 448980]

約数ペア:

[(1, 448980), (2, 224490), (3, 149660), (4, 112245), (5, 89796), (6, 74830), (7, 64140), (10, 44898), (12, 37415), (14, 32070), (15, 29932), (20, 22449), (21, 21380), (28, 16035), (30, 14966), (35, 12828), (42, 10690), (60, 7483), (70, 6414), (84, 5345), (105, 4276), (140, 3207), (210, 2138), (420, 1069)]