207972310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 462672000

約数和(自身を除く): 254699690

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 449, 455, 509, 898, 910, 1018, 2245, 2545, 3143, 3563, 4490, 5090, 5837, 6286, 6617, 7126, 11674, 13234, 15715, 17815, 29185, 31430, 33085, 35630, 40859, 46319, 58370, 66170, 81718, 92638, 204295, 228541, 231595, 408590, 457082, 463190, 1142705, 1599787, 2285410, 2971033, 3199574, 5942066, 7998935, 14855165, 15997870, 20797231, 29710330, 41594462, 103986155, 207972310]

約数ペア:

[(1, 207972310), (2, 103986155), (5, 41594462), (7, 29710330), (10, 20797231), (13, 15997870), (14, 14855165), (26, 7998935), (35, 5942066), (65, 3199574), (70, 2971033), (91, 2285410), (130, 1599787), (182, 1142705), (449, 463190), (455, 457082), (509, 408590), (898, 231595), (910, 228541), (1018, 204295), (2245, 92638), (2545, 81718), (3143, 66170), (3563, 58370), (4490, 46319), (5090, 40859), (5837, 35630), (6286, 33085), (6617, 31430), (7126, 29185), (11674, 17815), (13234, 15715)]