2210390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 4998672

約数和(自身を除く): 2788282

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 347, 455, 490, 637, 694, 910, 1274, 1735, 2429, 3185, 3470, 4511, 4858, 6370, 9022, 12145, 17003, 22555, 24290, 31577, 34006, 45110, 63154, 85015, 157885, 170030, 221039, 315770, 442078, 1105195, 2210390]

約数ペア:

[(1, 2210390), (2, 1105195), (5, 442078), (7, 315770), (10, 221039), (13, 170030), (14, 157885), (26, 85015), (35, 63154), (49, 45110), (65, 34006), (70, 31577), (91, 24290), (98, 22555), (130, 17003), (182, 12145), (245, 9022), (347, 6370), (455, 4858), (490, 4511), (637, 3470), (694, 3185), (910, 2429), (1274, 1735)]