890749380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{166807}}^1$

素因数の和:166908

約数の個数: 48

約数和(自身を含む): 2522136960

約数和(自身を除く): 1631387580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 166807, 333614, 500421, 667228, 834035, 1000842, 1668070, 2001684, 2502105, 3336140, 5004210, 10008420, 14845823, 29691646, 44537469, 59383292, 74229115, 89074938, 148458230, 178149876, 222687345, 296916460, 445374690, 890749380]

約数ペア:

[(1, 890749380), (2, 445374690), (3, 296916460), (4, 222687345), (5, 178149876), (6, 148458230), (10, 89074938), (12, 74229115), (15, 59383292), (20, 44537469), (30, 29691646), (60, 14845823), (89, 10008420), (178, 5004210), (267, 3336140), (356, 2502105), (445, 2001684), (534, 1668070), (890, 1000842), (1068, 834035), (1335, 667228), (1780, 500421), (2670, 333614), (5340, 166807)]