1820156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 1990084

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 71, 116, 142, 221, 284, 377, 442, 493, 754, 884, 923, 986, 1207, 1508, 1846, 1972, 2059, 2414, 3692, 4118, 4828, 6409, 8236, 12818, 15691, 25636, 26767, 31382, 35003, 53534, 62764, 70006, 107068, 140012, 455039, 910078, 1820156]

約数ペア:

[(1, 1820156), (2, 910078), (4, 455039), (13, 140012), (17, 107068), (26, 70006), (29, 62764), (34, 53534), (52, 35003), (58, 31382), (68, 26767), (71, 25636), (116, 15691), (142, 12818), (221, 8236), (284, 6409), (377, 4828), (442, 4118), (493, 3692), (754, 2414), (884, 2059), (923, 1972), (986, 1846), (1207, 1508)]