12502490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 17737510

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1249, 1430, 2002, 2498, 5005, 6245, 8743, 10010, 12490, 13739, 16237, 17486, 27478, 32474, 43715, 68695, 81185, 87430, 96173, 113659, 137390, 162370, 178607, 192346, 227318, 357214, 480865, 568295, 893035, 961730, 1136590, 1250249, 1786070, 2500498, 6251245, 12502490]

約数ペア:

[(1, 12502490), (2, 6251245), (5, 2500498), (7, 1786070), (10, 1250249), (11, 1136590), (13, 961730), (14, 893035), (22, 568295), (26, 480865), (35, 357214), (55, 227318), (65, 192346), (70, 178607), (77, 162370), (91, 137390), (110, 113659), (130, 96173), (143, 87430), (154, 81185), (182, 68695), (286, 43715), (385, 32474), (455, 27478), (715, 17486), (770, 16237), (910, 13739), (1001, 12490), (1249, 10010), (1430, 8743), (2002, 6245), (2498, 5005)]