77280890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3391}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 145069056

約数和(自身を除く): 67788166

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 2279, 3391, 4558, 6782, 11395, 16955, 22790, 33910, 145813, 179723, 291626, 359446, 729065, 898615, 1458130, 1797230, 7728089, 15456178, 38640445, 77280890]

約数ペア:

[(1, 77280890), (2, 38640445), (5, 15456178), (10, 7728089), (43, 1797230), (53, 1458130), (86, 898615), (106, 729065), (215, 359446), (265, 291626), (430, 179723), (530, 145813), (2279, 33910), (3391, 22790), (4558, 16955), (6782, 11395)]