142788400

素因数分解:

$2^4\times 5^2\times {\mathrm{487}}^1\times {\mathrm{733}}^1$

素因数の和:1238

約数の個数: 60

約数和(自身を含む): 344222512

約数和(自身を除く): 201434112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 487, 733, 974, 1466, 1948, 2435, 2932, 3665, 3896, 4870, 5864, 7330, 7792, 9740, 11728, 12175, 14660, 18325, 19480, 24350, 29320, 36650, 38960, 48700, 58640, 73300, 97400, 146600, 194800, 293200, 356971, 713942, 1427884, 1784855, 2855768, 3569710, 5711536, 7139420, 8924275, 14278840, 17848550, 28557680, 35697100, 71394200, 142788400]

約数ペア:

[(1, 142788400), (2, 71394200), (4, 35697100), (5, 28557680), (8, 17848550), (10, 14278840), (16, 8924275), (20, 7139420), (25, 5711536), (40, 3569710), (50, 2855768), (80, 1784855), (100, 1427884), (200, 713942), (400, 356971), (487, 293200), (733, 194800), (974, 146600), (1466, 97400), (1948, 73300), (2435, 58640), (2932, 48700), (3665, 38960), (3896, 36650), (4870, 29320), (5864, 24350), (7330, 19480), (7792, 18325), (9740, 14660), (11728, 12175)]