257796770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6317}}^1$

素因数の和:6395

約数の個数: 64

約数和(自身を含む): 589545216

約数和(自身を除く): 331748446

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 530, 583, 742, 770, 1166, 1855, 2915, 3710, 4081, 5830, 6317, 8162, 12634, 20405, 31585, 40810, 44219, 63170, 69487, 88438, 138974, 221095, 334801, 347435, 442190, 486409, 669602, 694870, 972818, 1674005, 2343607, 2432045, 3348010, 3682811, 4687214, 4864090, 7365622, 11718035, 18414055, 23436070, 25779677, 36828110, 51559354, 128898385, 257796770]

約数ペア:

[(1, 257796770), (2, 128898385), (5, 51559354), (7, 36828110), (10, 25779677), (11, 23436070), (14, 18414055), (22, 11718035), (35, 7365622), (53, 4864090), (55, 4687214), (70, 3682811), (77, 3348010), (106, 2432045), (110, 2343607), (154, 1674005), (265, 972818), (371, 694870), (385, 669602), (530, 486409), (583, 442190), (742, 347435), (770, 334801), (1166, 221095), (1855, 138974), (2915, 88438), (3710, 69487), (4081, 63170), (5830, 44219), (6317, 40810), (8162, 31585), (12634, 20405)]