131887280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{235513}}^1$

素因数の和:235533

約数の個数: 40

約数和(自身を含む): 350444832

約数和(自身を除く): 218557552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 235513, 471026, 942052, 1177565, 1648591, 1884104, 2355130, 3297182, 3768208, 4710260, 6594364, 8242955, 9420520, 13188728, 16485910, 18841040, 26377456, 32971820, 65943640, 131887280]

約数ペア:

[(1, 131887280), (2, 65943640), (4, 32971820), (5, 26377456), (7, 18841040), (8, 16485910), (10, 13188728), (14, 9420520), (16, 8242955), (20, 6594364), (28, 4710260), (35, 3768208), (40, 3297182), (56, 2355130), (70, 1884104), (80, 1648591), (112, 1177565), (140, 942052), (280, 471026), (560, 235513)]