190090090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 380588544

約数和(自身を除く): 190498454

約数列:

[1, 2, 5, 10, 17, 34, 37, 47, 74, 85, 94, 170, 185, 235, 370, 470, 629, 643, 799, 1258, 1286, 1598, 1739, 3145, 3215, 3478, 3995, 6290, 6430, 7990, 8695, 10931, 17390, 21862, 23791, 29563, 30221, 47582, 54655, 59126, 60442, 109310, 118955, 147815, 151105, 237910, 295630, 302210, 404447, 513757, 808894, 1027514, 1118177, 2022235, 2236354, 2568785, 4044470, 5137570, 5590885, 11181770, 19009009, 38018018, 95045045, 190090090]

約数ペア:

[(1, 190090090), (2, 95045045), (5, 38018018), (10, 19009009), (17, 11181770), (34, 5590885), (37, 5137570), (47, 4044470), (74, 2568785), (85, 2236354), (94, 2022235), (170, 1118177), (185, 1027514), (235, 808894), (370, 513757), (470, 404447), (629, 302210), (643, 295630), (799, 237910), (1258, 151105), (1286, 147815), (1598, 118955), (1739, 109310), (3145, 60442), (3215, 59126), (3478, 54655), (3995, 47582), (6290, 30221), (6430, 29563), (7990, 23791), (8695, 21862), (10931, 17390)]