386464040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{144203}}^1$

素因数の和:144281

約数の個数: 32

約数和(自身を含む): 882528480

約数和(自身を除く): 496064440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 144203, 288406, 576812, 721015, 1153624, 1442030, 2884060, 5768120, 9661601, 19323202, 38646404, 48308005, 77292808, 96616010, 193232020, 386464040]

約数ペア:

[(1, 386464040), (2, 193232020), (4, 96616010), (5, 77292808), (8, 48308005), (10, 38646404), (20, 19323202), (40, 9661601), (67, 5768120), (134, 2884060), (268, 1442030), (335, 1153624), (536, 721015), (670, 576812), (1340, 288406), (2680, 144203)]