309920320

素因数分解:

$2^6\times 5^1\times {\mathrm{968501}}^1$

素因数の和:968518

約数の個数: 28

約数和(自身を含む): 737998524

約数和(自身を除く): 428078204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 968501, 1937002, 3874004, 4842505, 7748008, 9685010, 15496016, 19370020, 30992032, 38740040, 61984064, 77480080, 154960160, 309920320]

約数ペア:

[(1, 309920320), (2, 154960160), (4, 77480080), (5, 61984064), (8, 38740040), (10, 30992032), (16, 19370020), (20, 15496016), (32, 9685010), (40, 7748008), (64, 4842505), (80, 3874004), (160, 1937002), (320, 968501)]