1550202890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{40507}}^1$

素因数の和:40646

約数の個数: 32

約数和(自身を含む): 2887410240

約数和(自身を除く): 1337207350

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 7654, 19135, 38270, 40507, 81014, 202535, 405070, 1741801, 3483602, 3605123, 7210246, 8709005, 17418010, 18025615, 36051230, 155020289, 310040578, 775101445, 1550202890]

約数ペア:

[(1, 1550202890), (2, 775101445), (5, 310040578), (10, 155020289), (43, 36051230), (86, 18025615), (89, 17418010), (178, 8709005), (215, 7210246), (430, 3605123), (445, 3483602), (890, 1741801), (3827, 405070), (7654, 202535), (19135, 81014), (38270, 40507)]