385138790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{1511}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 705438720

約数和(自身を除く): 320299930

約数列:

[1, 2, 5, 10, 71, 142, 355, 359, 710, 718, 1511, 1795, 3022, 3590, 7555, 15110, 25489, 50978, 107281, 127445, 214562, 254890, 536405, 542449, 1072810, 1084898, 2712245, 5424490, 38513879, 77027758, 192569395, 385138790]

約数ペア:

[(1, 385138790), (2, 192569395), (5, 77027758), (10, 38513879), (71, 5424490), (142, 2712245), (355, 1084898), (359, 1072810), (710, 542449), (718, 536405), (1511, 254890), (1795, 214562), (3022, 127445), (3590, 107281), (7555, 50978), (15110, 25489)]