2554370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 5774328

約数和(自身を除く): 3219958

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 401, 455, 490, 637, 802, 910, 1274, 2005, 2807, 3185, 4010, 5213, 5614, 6370, 10426, 14035, 19649, 26065, 28070, 36491, 39298, 52130, 72982, 98245, 182455, 196490, 255437, 364910, 510874, 1277185, 2554370]

約数ペア:

[(1, 2554370), (2, 1277185), (5, 510874), (7, 364910), (10, 255437), (13, 196490), (14, 182455), (26, 98245), (35, 72982), (49, 52130), (65, 39298), (70, 36491), (91, 28070), (98, 26065), (130, 19649), (182, 14035), (245, 10426), (401, 6370), (455, 5614), (490, 5213), (637, 4010), (802, 3185), (910, 2807), (1274, 2005)]