222712880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{214147}}^1$

素因数の和:214173

約数の個数: 40

約数和(自身を含む): 557641392

約数和(自身を除く): 334928512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 214147, 428294, 856588, 1070735, 1713176, 2141470, 2783911, 3426352, 4282940, 5567822, 8565880, 11135644, 13919555, 17131760, 22271288, 27839110, 44542576, 55678220, 111356440, 222712880]

約数ペア:

[(1, 222712880), (2, 111356440), (4, 55678220), (5, 44542576), (8, 27839110), (10, 22271288), (13, 17131760), (16, 13919555), (20, 11135644), (26, 8565880), (40, 5567822), (52, 4282940), (65, 3426352), (80, 2783911), (104, 2141470), (130, 1713176), (208, 1070735), (260, 856588), (520, 428294), (1040, 214147)]