28024220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4259}}^1$

素因数の和:4322

約数の個数: 48

約数和(自身を含む): 68705280

約数和(自身を除く): 40681060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4259, 6580, 8518, 17036, 21295, 29813, 42590, 59626, 85180, 119252, 149065, 200173, 298130, 400346, 596260, 800692, 1000865, 1401211, 2001730, 2802422, 4003460, 5604844, 7006055, 14012110, 28024220]

約数ペア:

[(1, 28024220), (2, 14012110), (4, 7006055), (5, 5604844), (7, 4003460), (10, 2802422), (14, 2001730), (20, 1401211), (28, 1000865), (35, 800692), (47, 596260), (70, 400346), (94, 298130), (140, 200173), (188, 149065), (235, 119252), (329, 85180), (470, 59626), (658, 42590), (940, 29813), (1316, 21295), (1645, 17036), (3290, 8518), (4259, 6580)]