197263760

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5857}}^1$

素因数の和:6291

約数の個数: 40

約数和(自身を含む): 459806136

約数和(自身を除く): 262542376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 5857, 6736, 8420, 11714, 16840, 23428, 29285, 33680, 46856, 58570, 93712, 117140, 234280, 468560, 2465797, 4931594, 9863188, 12328985, 19726376, 24657970, 39452752, 49315940, 98631880, 197263760]

約数ペア:

[(1, 197263760), (2, 98631880), (4, 49315940), (5, 39452752), (8, 24657970), (10, 19726376), (16, 12328985), (20, 9863188), (40, 4931594), (80, 2465797), (421, 468560), (842, 234280), (1684, 117140), (2105, 93712), (3368, 58570), (4210, 46856), (5857, 33680), (6736, 29285), (8420, 23428), (11714, 16840)]