87549980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{809}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 210651840

約数和(自身を除く): 123101860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 773, 809, 1546, 1618, 3092, 3236, 3865, 4045, 5411, 5663, 7730, 8090, 10822, 11326, 15460, 16180, 21644, 22652, 27055, 28315, 54110, 56630, 108220, 113260, 625357, 1250714, 2501428, 3126785, 4377499, 6253570, 8754998, 12507140, 17509996, 21887495, 43774990, 87549980]

約数ペア:

[(1, 87549980), (2, 43774990), (4, 21887495), (5, 17509996), (7, 12507140), (10, 8754998), (14, 6253570), (20, 4377499), (28, 3126785), (35, 2501428), (70, 1250714), (140, 625357), (773, 113260), (809, 108220), (1546, 56630), (1618, 54110), (3092, 28315), (3236, 27055), (3865, 22652), (4045, 21644), (5411, 16180), (5663, 15460), (7730, 11326), (8090, 10822)]