313639760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2843}}^1$

素因数の和:3060

約数の個数: 80

約数和(自身を含む): 837910656

約数和(自身を除く): 524270896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2758, 2843, 3152, 3940, 5516, 5686, 6895, 7880, 11032, 11372, 13790, 14215, 15760, 19901, 22064, 22744, 27580, 28430, 39802, 45488, 55160, 56860, 79604, 99505, 110320, 113720, 159208, 199010, 227440, 318416, 398020, 560071, 796040, 1120142, 1592080, 2240284, 2800355, 3920497, 4480568, 5600710, 7840994, 8961136, 11201420, 15681988, 19602485, 22402840, 31363976, 39204970, 44805680, 62727952, 78409940, 156819880, 313639760]

約数ペア:

[(1, 313639760), (2, 156819880), (4, 78409940), (5, 62727952), (7, 44805680), (8, 39204970), (10, 31363976), (14, 22402840), (16, 19602485), (20, 15681988), (28, 11201420), (35, 8961136), (40, 7840994), (56, 5600710), (70, 4480568), (80, 3920497), (112, 2800355), (140, 2240284), (197, 1592080), (280, 1120142), (394, 796040), (560, 560071), (788, 398020), (985, 318416), (1379, 227440), (1576, 199010), (1970, 159208), (2758, 113720), (2843, 110320), (3152, 99505), (3940, 79604), (5516, 56860), (5686, 55160), (6895, 45488), (7880, 39802), (11032, 28430), (11372, 27580), (13790, 22744), (14215, 22064), (15760, 19901)]