309430720

素因数分解:

$2^6\times 5^1\times {\mathrm{966971}}^1$

素因数の和:966988

約数の個数: 28

約数和(自身を含む): 736832664

約数和(自身を除く): 427401944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 966971, 1933942, 3867884, 4834855, 7735768, 9669710, 15471536, 19339420, 30943072, 38678840, 61886144, 77357680, 154715360, 309430720]

約数ペア:

[(1, 309430720), (2, 154715360), (4, 77357680), (5, 61886144), (8, 38678840), (10, 30943072), (16, 19339420), (20, 15471536), (32, 9669710), (40, 7735768), (64, 4834855), (80, 3867884), (160, 1933942), (320, 966971)]