245557480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16547}}^1$

素因数の和:16618

約数の個数: 64

約数和(自身を含む): 643386240

約数和(自身を除く): 397828760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 16547, 33094, 66188, 82735, 115829, 132376, 165470, 231658, 330940, 463316, 579145, 661880, 876991, 926632, 1158290, 1753982, 2316580, 3507964, 4384955, 4633160, 6138937, 7015928, 8769910, 12277874, 17539820, 24555748, 30694685, 35079640, 49111496, 61389370, 122778740, 245557480]

約数ペア:

[(1, 245557480), (2, 122778740), (4, 61389370), (5, 49111496), (7, 35079640), (8, 30694685), (10, 24555748), (14, 17539820), (20, 12277874), (28, 8769910), (35, 7015928), (40, 6138937), (53, 4633160), (56, 4384955), (70, 3507964), (106, 2316580), (140, 1753982), (212, 1158290), (265, 926632), (280, 876991), (371, 661880), (424, 579145), (530, 463316), (742, 330940), (1060, 231658), (1484, 165470), (1855, 132376), (2120, 115829), (2968, 82735), (3710, 66188), (7420, 33094), (14840, 16547)]