28763970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 72078336

約数和(自身を除く): 43314366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 157, 186, 197, 310, 314, 394, 465, 471, 591, 785, 930, 942, 985, 1182, 1570, 1970, 2355, 2955, 4710, 4867, 5910, 6107, 9734, 12214, 14601, 18321, 24335, 29202, 30535, 30929, 36642, 48670, 61070, 61858, 73005, 91605, 92787, 146010, 154645, 183210, 185574, 309290, 463935, 927870, 958799, 1917598, 2876397, 4793995, 5752794, 9587990, 14381985, 28763970]

約数ペア:

[(1, 28763970), (2, 14381985), (3, 9587990), (5, 5752794), (6, 4793995), (10, 2876397), (15, 1917598), (30, 958799), (31, 927870), (62, 463935), (93, 309290), (155, 185574), (157, 183210), (186, 154645), (197, 146010), (310, 92787), (314, 91605), (394, 73005), (465, 61858), (471, 61070), (591, 48670), (785, 36642), (930, 30929), (942, 30535), (985, 29202), (1182, 24335), (1570, 18321), (1970, 14601), (2355, 12214), (2955, 9734), (4710, 6107), (4867, 5910)]