220487360

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4957}}^1$

素因数の和:5113

約数の個数: 56

約数和(自身を含む): 528919440

約数和(自身を除く): 308432080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 4448, 4957, 5560, 8896, 9914, 11120, 19828, 22240, 24785, 39656, 44480, 49570, 79312, 99140, 158624, 198280, 317248, 396560, 689023, 793120, 1378046, 1586240, 2756092, 3445115, 5512184, 6890230, 11024368, 13780460, 22048736, 27560920, 44097472, 55121840, 110243680, 220487360]

約数ペア:

[(1, 220487360), (2, 110243680), (4, 55121840), (5, 44097472), (8, 27560920), (10, 22048736), (16, 13780460), (20, 11024368), (32, 6890230), (40, 5512184), (64, 3445115), (80, 2756092), (139, 1586240), (160, 1378046), (278, 793120), (320, 689023), (556, 396560), (695, 317248), (1112, 198280), (1390, 158624), (2224, 99140), (2780, 79312), (4448, 49570), (4957, 44480), (5560, 39656), (8896, 24785), (9914, 22240), (11120, 19828)]