1900388455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{124249}}^1$

素因数の和:124303

約数の個数: 32

約数和(自身を含む): 2862720000

約数和(自身を除く): 962331545

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 2185, 3059, 15295, 124249, 621245, 869743, 2360731, 2857727, 4348715, 11803655, 14288635, 16525117, 20004089, 54296813, 82625585, 100020445, 271484065, 380077691, 1900388455]

約数ペア:

[(1, 1900388455), (5, 380077691), (7, 271484065), (19, 100020445), (23, 82625585), (35, 54296813), (95, 20004089), (115, 16525117), (133, 14288635), (161, 11803655), (437, 4348715), (665, 2857727), (805, 2360731), (2185, 869743), (3059, 621245), (15295, 124249)]