780090305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4027}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 1033617024

約数和(自身を除く): 253526719

約数列:

[1, 5, 17, 43, 53, 85, 215, 265, 731, 901, 2279, 3655, 4027, 4505, 11395, 20135, 38743, 68459, 173161, 193715, 213431, 342295, 865805, 1067155, 2943737, 3628327, 9177533, 14718685, 18141635, 45887665, 156018061, 780090305]

約数ペア:

[(1, 780090305), (5, 156018061), (17, 45887665), (43, 18141635), (53, 14718685), (85, 9177533), (215, 3628327), (265, 2943737), (731, 1067155), (901, 865805), (2279, 342295), (3655, 213431), (4027, 193715), (4505, 173161), (11395, 68459), (20135, 38743)]