168235540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1907}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 386576064

約数和(自身を除く): 218340524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1604, 1907, 2005, 3814, 4010, 4411, 7628, 8020, 8822, 9535, 17644, 19070, 20977, 22055, 38140, 41954, 44110, 83908, 88220, 104885, 209770, 419540, 764707, 1529414, 3058828, 3823535, 7647070, 8411777, 15294140, 16823554, 33647108, 42058885, 84117770, 168235540]

約数ペア:

[(1, 168235540), (2, 84117770), (4, 42058885), (5, 33647108), (10, 16823554), (11, 15294140), (20, 8411777), (22, 7647070), (44, 3823535), (55, 3058828), (110, 1529414), (220, 764707), (401, 419540), (802, 209770), (1604, 104885), (1907, 88220), (2005, 83908), (3814, 44110), (4010, 41954), (4411, 38140), (7628, 22055), (8020, 20977), (8822, 19070), (9535, 17644)]