68538800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 120

約数和(自身を含む): 184927152

約数和(自身を除く): 116388352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 37, 40, 44, 50, 55, 74, 80, 88, 100, 110, 148, 176, 185, 200, 220, 275, 296, 370, 400, 407, 421, 440, 550, 592, 740, 814, 842, 880, 925, 1100, 1480, 1628, 1684, 1850, 2035, 2105, 2200, 2960, 3256, 3368, 3700, 4070, 4210, 4400, 4631, 6512, 6736, 7400, 8140, 8420, 9262, 10175, 10525, 14800, 15577, 16280, 16840, 18524, 20350, 21050, 23155, 31154, 32560, 33680, 37048, 40700, 42100, 46310, 62308, 74096, 77885, 81400, 84200, 92620, 115775, 124616, 155770, 162800, 168400, 171347, 185240, 231550, 249232, 311540, 342694, 370480, 389425, 463100, 623080, 685388, 778850, 856735, 926200, 1246160, 1370776, 1557700, 1713470, 1852400, 2741552, 3115400, 3426940, 4283675, 6230800, 6853880, 8567350, 13707760, 17134700, 34269400, 68538800]

約数ペア:

[(1, 68538800), (2, 34269400), (4, 17134700), (5, 13707760), (8, 8567350), (10, 6853880), (11, 6230800), (16, 4283675), (20, 3426940), (22, 3115400), (25, 2741552), (37, 1852400), (40, 1713470), (44, 1557700), (50, 1370776), (55, 1246160), (74, 926200), (80, 856735), (88, 778850), (100, 685388), (110, 623080), (148, 463100), (176, 389425), (185, 370480), (200, 342694), (220, 311540), (275, 249232), (296, 231550), (370, 185240), (400, 171347), (407, 168400), (421, 162800), (440, 155770), (550, 124616), (592, 115775), (740, 92620), (814, 84200), (842, 81400), (880, 77885), (925, 74096), (1100, 62308), (1480, 46310), (1628, 42100), (1684, 40700), (1850, 37048), (2035, 33680), (2105, 32560), (2200, 31154), (2960, 23155), (3256, 21050), (3368, 20350), (3700, 18524), (4070, 16840), (4210, 16280), (4400, 15577), (4631, 14800), (6512, 10525), (6736, 10175), (7400, 9262), (8140, 8420)]