199157440

素因数分解:

$2^6\times 5^1\times {\mathrm{622367}}^1$

素因数の和:622384

約数の個数: 28

約数和(自身を含む): 474244416

約数和(自身を除く): 275086976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 622367, 1244734, 2489468, 3111835, 4978936, 6223670, 9957872, 12447340, 19915744, 24894680, 39831488, 49789360, 99578720, 199157440]

約数ペア:

[(1, 199157440), (2, 99578720), (4, 49789360), (5, 39831488), (8, 24894680), (10, 19915744), (16, 12447340), (20, 9957872), (32, 6223670), (40, 4978936), (64, 3111835), (80, 2489468), (160, 1244734), (320, 622367)]