311943160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 719085600

約数和(自身を除く): 407142440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 269, 424, 530, 538, 547, 1060, 1076, 1094, 1345, 2120, 2152, 2188, 2690, 2735, 4376, 5380, 5470, 10760, 10940, 14257, 21880, 28514, 28991, 57028, 57982, 71285, 114056, 115964, 142570, 144955, 147143, 231928, 285140, 289910, 294286, 570280, 579820, 588572, 735715, 1159640, 1177144, 1471430, 2942860, 5885720, 7798579, 15597158, 31194316, 38992895, 62388632, 77985790, 155971580, 311943160]

約数ペア:

[(1, 311943160), (2, 155971580), (4, 77985790), (5, 62388632), (8, 38992895), (10, 31194316), (20, 15597158), (40, 7798579), (53, 5885720), (106, 2942860), (212, 1471430), (265, 1177144), (269, 1159640), (424, 735715), (530, 588572), (538, 579820), (547, 570280), (1060, 294286), (1076, 289910), (1094, 285140), (1345, 231928), (2120, 147143), (2152, 144955), (2188, 142570), (2690, 115964), (2735, 114056), (4376, 71285), (5380, 57982), (5470, 57028), (10760, 28991), (10940, 28514), (14257, 21880)]