400154280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{16927}}^1$

素因数の和:17138

約数の個数: 64

約数和(自身を含む): 1206627840

約数和(自身を除く): 806473560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 11820, 16927, 23640, 33854, 50781, 67708, 84635, 101562, 135416, 169270, 203124, 253905, 338540, 406248, 507810, 677080, 1015620, 2031240, 3334619, 6669238, 10003857, 13338476, 16673095, 20007714, 26676952, 33346190, 40015428, 50019285, 66692380, 80030856, 100038570, 133384760, 200077140, 400154280]

約数ペア:

[(1, 400154280), (2, 200077140), (3, 133384760), (4, 100038570), (5, 80030856), (6, 66692380), (8, 50019285), (10, 40015428), (12, 33346190), (15, 26676952), (20, 20007714), (24, 16673095), (30, 13338476), (40, 10003857), (60, 6669238), (120, 3334619), (197, 2031240), (394, 1015620), (591, 677080), (788, 507810), (985, 406248), (1182, 338540), (1576, 253905), (1970, 203124), (2364, 169270), (2955, 135416), (3940, 101562), (4728, 84635), (5910, 67708), (7880, 50781), (11820, 33854), (16927, 23640)]