78408190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{4259}}^1$

素因数の和:4536

約数の個数: 32

約数和(自身を含む): 161948160

約数和(自身を除く): 83539970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 4259, 8518, 9205, 18410, 21295, 29813, 42590, 59626, 149065, 298130, 1120117, 2240234, 5600585, 7840819, 11201170, 15681638, 39204095, 78408190]

約数ペア:

[(1, 78408190), (2, 39204095), (5, 15681638), (7, 11201170), (10, 7840819), (14, 5600585), (35, 2240234), (70, 1120117), (263, 298130), (526, 149065), (1315, 59626), (1841, 42590), (2630, 29813), (3682, 21295), (4259, 18410), (8518, 9205)]