388061120

素因数分解:

$2^6\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1499}}^1$

素因数の和:2325

約数の個数: 56

約数和(自身を含む): 925830000

約数和(自身を除く): 537768880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 809, 1499, 1618, 2998, 3236, 4045, 5996, 6472, 7495, 8090, 11992, 12944, 14990, 16180, 23984, 25888, 29980, 32360, 47968, 51776, 59960, 64720, 95936, 119920, 129440, 239840, 258880, 479680, 1212691, 2425382, 4850764, 6063455, 9701528, 12126910, 19403056, 24253820, 38806112, 48507640, 77612224, 97015280, 194030560, 388061120]

約数ペア:

[(1, 388061120), (2, 194030560), (4, 97015280), (5, 77612224), (8, 48507640), (10, 38806112), (16, 24253820), (20, 19403056), (32, 12126910), (40, 9701528), (64, 6063455), (80, 4850764), (160, 2425382), (320, 1212691), (809, 479680), (1499, 258880), (1618, 239840), (2998, 129440), (3236, 119920), (4045, 95936), (5996, 64720), (6472, 59960), (7495, 51776), (8090, 47968), (11992, 32360), (12944, 29980), (14990, 25888), (16180, 23984)]