238281040

素因数分解:

$2^4\times 5^1\times {\mathrm{1499}}^1\times {\mathrm{1987}}^1$

素因数の和:3499

約数の個数: 40

約数和(自身を含む): 554652000

約数和(自身を除く): 316370960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1499, 1987, 2998, 3974, 5996, 7495, 7948, 9935, 11992, 14990, 15896, 19870, 23984, 29980, 31792, 39740, 59960, 79480, 119920, 158960, 2978513, 5957026, 11914052, 14892565, 23828104, 29785130, 47656208, 59570260, 119140520, 238281040]

約数ペア:

[(1, 238281040), (2, 119140520), (4, 59570260), (5, 47656208), (8, 29785130), (10, 23828104), (16, 14892565), (20, 11914052), (40, 5957026), (80, 2978513), (1499, 158960), (1987, 119920), (2998, 79480), (3974, 59960), (5996, 39740), (7495, 31792), (7948, 29980), (9935, 23984), (11992, 19870), (14990, 15896)]