8857380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21089}}^1$

素因数の和:21108

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 19487580

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, 21089, 42178, 63267, 84356, 105445, 126534, 147623, 210890, 253068, 295246, 316335, 421780, 442869, 590492, 632670, 738115, 885738, 1265340, 1476230, 1771476, 2214345, 2952460, 4428690, 8857380]

約数ペア:

[(1, 8857380), (2, 4428690), (3, 2952460), (4, 2214345), (5, 1771476), (6, 1476230), (7, 1265340), (10, 885738), (12, 738115), (14, 632670), (15, 590492), (20, 442869), (21, 421780), (28, 316335), (30, 295246), (35, 253068), (42, 210890), (60, 147623), (70, 126534), (84, 105445), (105, 84356), (140, 63267), (210, 42178), (420, 21089)]