388957040

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{10501}}^1$

素因数の和:10977

約数の個数: 40

約数和(自身を含む): 906364608

約数和(自身を除く): 517407568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 10501, 18520, 21002, 37040, 42004, 52505, 84008, 105010, 168016, 210020, 420040, 840080, 4861963, 9723926, 19447852, 24309815, 38895704, 48619630, 77791408, 97239260, 194478520, 388957040]

約数ペア:

[(1, 388957040), (2, 194478520), (4, 97239260), (5, 77791408), (8, 48619630), (10, 38895704), (16, 24309815), (20, 19447852), (40, 9723926), (80, 4861963), (463, 840080), (926, 420040), (1852, 210020), (2315, 168016), (3704, 105010), (4630, 84008), (7408, 52505), (9260, 42004), (10501, 37040), (18520, 21002)]