491001040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{323027}}^1$

素因数の和:323059

約数の個数: 40

約数和(自身を含む): 1201664160

約数和(自身を除く): 710663120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 323027, 646054, 1292108, 1615135, 2584216, 3230270, 5168432, 6137513, 6460540, 12275026, 12921080, 24550052, 25842160, 30687565, 49100104, 61375130, 98200208, 122750260, 245500520, 491001040]

約数ペア:

[(1, 491001040), (2, 245500520), (4, 122750260), (5, 98200208), (8, 61375130), (10, 49100104), (16, 30687565), (19, 25842160), (20, 24550052), (38, 12921080), (40, 12275026), (76, 6460540), (80, 6137513), (95, 5168432), (152, 3230270), (190, 2584216), (304, 1615135), (380, 1292108), (760, 646054), (1520, 323027)]