386400920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{420001}}^1$

素因数の和:420035

約数の個数: 32

約数和(自身を含む): 907204320

約数和(自身を除く): 520803400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 420001, 840002, 1680004, 2100005, 3360008, 4200010, 8400020, 9660023, 16800040, 19320046, 38640092, 48300115, 77280184, 96600230, 193200460, 386400920]

約数ペア:

[(1, 386400920), (2, 193200460), (4, 96600230), (5, 77280184), (8, 48300115), (10, 38640092), (20, 19320046), (23, 16800040), (40, 9660023), (46, 8400020), (92, 4200010), (115, 3360008), (184, 2100005), (230, 1680004), (460, 840002), (920, 420001)]