161237930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{2591}}^1$

素因数の和:2739

約数の個数: 48

約数和(自身を含む): 340402176

約数和(自身を除く): 179164246

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 889, 1270, 1778, 2591, 4445, 5182, 6223, 8890, 12446, 12955, 18137, 25910, 31115, 36274, 62230, 90685, 126959, 181370, 253918, 329057, 634795, 658114, 1269590, 1645285, 2303399, 3290570, 4606798, 11516995, 16123793, 23033990, 32247586, 80618965, 161237930]

約数ペア:

[(1, 161237930), (2, 80618965), (5, 32247586), (7, 23033990), (10, 16123793), (14, 11516995), (35, 4606798), (49, 3290570), (70, 2303399), (98, 1645285), (127, 1269590), (245, 658114), (254, 634795), (490, 329057), (635, 253918), (889, 181370), (1270, 126959), (1778, 90685), (2591, 62230), (4445, 36274), (5182, 31115), (6223, 25910), (8890, 18137), (12446, 12955)]