205570820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112951}}^1$

素因数の和:112980

約数の個数: 48

約数和(自身を含む): 531326208

約数和(自身を除く): 325755388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 112951, 225902, 451804, 564755, 790657, 1129510, 1468363, 1581314, 2259020, 2936726, 3162628, 3953285, 5873452, 7341815, 7906570, 10278541, 14683630, 15813140, 20557082, 29367260, 41114164, 51392705, 102785410, 205570820]

約数ペア:

[(1, 205570820), (2, 102785410), (4, 51392705), (5, 41114164), (7, 29367260), (10, 20557082), (13, 15813140), (14, 14683630), (20, 10278541), (26, 7906570), (28, 7341815), (35, 5873452), (52, 3953285), (65, 3162628), (70, 2936726), (91, 2259020), (130, 1581314), (140, 1468363), (182, 1129510), (260, 790657), (364, 564755), (455, 451804), (910, 225902), (1820, 112951)]