214674920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6569}}^1$

素因数の和:6642

約数の個数: 64

約数和(自身を含む): 520344000

約数和(自身を除く): 305669080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 6569, 8170, 13138, 16340, 26276, 32680, 32845, 52552, 65690, 124811, 131380, 249622, 262760, 282467, 499244, 564934, 624055, 998488, 1129868, 1248110, 1412335, 2259736, 2496220, 2824670, 4992440, 5366873, 5649340, 10733746, 11298680, 21467492, 26834365, 42934984, 53668730, 107337460, 214674920]

約数ペア:

[(1, 214674920), (2, 107337460), (4, 53668730), (5, 42934984), (8, 26834365), (10, 21467492), (19, 11298680), (20, 10733746), (38, 5649340), (40, 5366873), (43, 4992440), (76, 2824670), (86, 2496220), (95, 2259736), (152, 1412335), (172, 1248110), (190, 1129868), (215, 998488), (344, 624055), (380, 564934), (430, 499244), (760, 282467), (817, 262760), (860, 249622), (1634, 131380), (1720, 124811), (3268, 65690), (4085, 52552), (6536, 32845), (6569, 32680), (8170, 26276), (13138, 16340)]