145429990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{24691}}^1$

素因数の和:24748

約数の個数: 32

約数和(自身を含む): 284451840

約数和(自身を除く): 139021850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 24691, 49382, 123455, 246910, 469129, 765421, 938258, 1530842, 2345645, 3827105, 4691290, 7654210, 14542999, 29085998, 72714995, 145429990]

約数ペア:

[(1, 145429990), (2, 72714995), (5, 29085998), (10, 14542999), (19, 7654210), (31, 4691290), (38, 3827105), (62, 2345645), (95, 1530842), (155, 938258), (190, 765421), (310, 469129), (589, 246910), (1178, 123455), (2945, 49382), (5890, 24691)]