2550990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 6838272

約数和(自身を除く): 4287282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 211, 310, 390, 403, 422, 465, 633, 806, 930, 1055, 1209, 1266, 2015, 2110, 2418, 2743, 3165, 4030, 5486, 6045, 6330, 6541, 8229, 12090, 13082, 13715, 16458, 19623, 27430, 32705, 39246, 41145, 65410, 82290, 85033, 98115, 170066, 196230, 255099, 425165, 510198, 850330, 1275495, 2550990]

約数ペア:

[(1, 2550990), (2, 1275495), (3, 850330), (5, 510198), (6, 425165), (10, 255099), (13, 196230), (15, 170066), (26, 98115), (30, 85033), (31, 82290), (39, 65410), (62, 41145), (65, 39246), (78, 32705), (93, 27430), (130, 19623), (155, 16458), (186, 13715), (195, 13082), (211, 12090), (310, 8229), (390, 6541), (403, 6330), (422, 6045), (465, 5486), (633, 4030), (806, 3165), (930, 2743), (1055, 2418), (1209, 2110), (1266, 2015)]