2051205170

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{569}}^1\times {\mathrm{1051}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 4317408000

約数和(自身を除く): 2266202830

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 569, 686, 1051, 1138, 1715, 2102, 2845, 3430, 3983, 5255, 5690, 7357, 7966, 10510, 14714, 19915, 27881, 36785, 39830, 51499, 55762, 73570, 102998, 139405, 195167, 257495, 278810, 360493, 390334, 514990, 598019, 720986, 975835, 1196038, 1802465, 1951670, 2990095, 3604930, 4186133, 5980190, 8372266, 20930665, 29302931, 41861330, 58605862, 146514655, 205120517, 293029310, 410241034, 1025602585, 2051205170]

約数ペア:

[(1, 2051205170), (2, 1025602585), (5, 410241034), (7, 293029310), (10, 205120517), (14, 146514655), (35, 58605862), (49, 41861330), (70, 29302931), (98, 20930665), (245, 8372266), (343, 5980190), (490, 4186133), (569, 3604930), (686, 2990095), (1051, 1951670), (1138, 1802465), (1715, 1196038), (2102, 975835), (2845, 720986), (3430, 598019), (3983, 514990), (5255, 390334), (5690, 360493), (7357, 278810), (7966, 257495), (10510, 195167), (14714, 139405), (19915, 102998), (27881, 73570), (36785, 55762), (39830, 51499)]