200639780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4877}}^1$

素因数の和:4925

約数の個数: 72

約数和(自身を含む): 490473144

約数和(自身を除く): 289833364

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 4877, 8228, 9754, 10285, 19508, 20570, 24385, 41140, 48770, 53647, 82909, 97540, 107294, 165818, 214588, 268235, 331636, 414545, 536470, 590117, 829090, 911999, 1072940, 1180234, 1658180, 1823998, 2360468, 2950585, 3647996, 4559995, 5901170, 9119990, 10031989, 11802340, 18239980, 20063978, 40127956, 50159945, 100319890, 200639780]

約数ペア:

[(1, 200639780), (2, 100319890), (4, 50159945), (5, 40127956), (10, 20063978), (11, 18239980), (17, 11802340), (20, 10031989), (22, 9119990), (34, 5901170), (44, 4559995), (55, 3647996), (68, 2950585), (85, 2360468), (110, 1823998), (121, 1658180), (170, 1180234), (187, 1072940), (220, 911999), (242, 829090), (340, 590117), (374, 536470), (484, 414545), (605, 331636), (748, 268235), (935, 214588), (1210, 165818), (1870, 107294), (2057, 97540), (2420, 82909), (3740, 53647), (4114, 48770), (4877, 41140), (8228, 24385), (9754, 20570), (10285, 19508)]