2837950120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{18539}}^1$

素因数の和:18682

約数の個数: 64

約数和(自身を含む): 6607656000

約数和(自身を除く): 3769705880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1720, 1780, 3560, 3827, 7654, 15308, 18539, 19135, 30616, 37078, 38270, 74156, 76540, 92695, 148312, 153080, 185390, 370780, 741560, 797177, 1594354, 1649971, 3188708, 3299942, 3985885, 6377416, 6599884, 7971770, 8249855, 13199768, 15943540, 16499710, 31887080, 32999420, 65998840, 70948753, 141897506, 283795012, 354743765, 567590024, 709487530, 1418975060, 2837950120]

約数ペア:

[(1, 2837950120), (2, 1418975060), (4, 709487530), (5, 567590024), (8, 354743765), (10, 283795012), (20, 141897506), (40, 70948753), (43, 65998840), (86, 32999420), (89, 31887080), (172, 16499710), (178, 15943540), (215, 13199768), (344, 8249855), (356, 7971770), (430, 6599884), (445, 6377416), (712, 3985885), (860, 3299942), (890, 3188708), (1720, 1649971), (1780, 1594354), (3560, 797177), (3827, 741560), (7654, 370780), (15308, 185390), (18539, 153080), (19135, 148312), (30616, 92695), (37078, 76540), (38270, 74156)]