68637580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3089}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 158850720

約数和(自身を除く): 90213140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3089, 4444, 5555, 6178, 11110, 12356, 15445, 22220, 30890, 33979, 61780, 67958, 135916, 169895, 311989, 339790, 623978, 679580, 1247956, 1559945, 3119890, 3431879, 6239780, 6863758, 13727516, 17159395, 34318790, 68637580]

約数ペア:

[(1, 68637580), (2, 34318790), (4, 17159395), (5, 13727516), (10, 6863758), (11, 6239780), (20, 3431879), (22, 3119890), (44, 1559945), (55, 1247956), (101, 679580), (110, 623978), (202, 339790), (220, 311989), (404, 169895), (505, 135916), (1010, 67958), (1111, 61780), (2020, 33979), (2222, 30890), (3089, 22220), (4444, 15445), (5555, 12356), (6178, 11110)]