129851320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{170857}}^1$

素因数の和:170887

約数の個数: 32

約数和(自身を含む): 307544400

約数和(自身を除く): 177693080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 170857, 341714, 683428, 854285, 1366856, 1708570, 3246283, 3417140, 6492566, 6834280, 12985132, 16231415, 25970264, 32462830, 64925660, 129851320]

約数ペア:

[(1, 129851320), (2, 64925660), (4, 32462830), (5, 25970264), (8, 16231415), (10, 12985132), (19, 6834280), (20, 6492566), (38, 3417140), (40, 3246283), (76, 1708570), (95, 1366856), (152, 854285), (190, 683428), (380, 341714), (760, 170857)]