61489610

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 139758696

約数和(自身を除く): 78269086

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 197, 245, 343, 394, 455, 490, 637, 686, 910, 985, 1274, 1379, 1715, 1970, 2401, 2561, 2758, 3185, 3430, 4459, 4802, 5122, 6370, 6895, 8918, 9653, 12005, 12805, 13790, 17927, 19306, 22295, 24010, 25610, 31213, 35854, 44590, 48265, 62426, 67571, 89635, 96530, 125489, 135142, 156065, 179270, 250978, 312130, 337855, 472997, 627445, 675710, 878423, 945994, 1254890, 1756846, 2364985, 4392115, 4729970, 6148961, 8784230, 12297922, 30744805, 61489610]

約数ペア:

[(1, 61489610), (2, 30744805), (5, 12297922), (7, 8784230), (10, 6148961), (13, 4729970), (14, 4392115), (26, 2364985), (35, 1756846), (49, 1254890), (65, 945994), (70, 878423), (91, 675710), (98, 627445), (130, 472997), (182, 337855), (197, 312130), (245, 250978), (343, 179270), (394, 156065), (455, 135142), (490, 125489), (637, 96530), (686, 89635), (910, 67571), (985, 62426), (1274, 48265), (1379, 44590), (1715, 35854), (1970, 31213), (2401, 25610), (2561, 24010), (2758, 22295), (3185, 19306), (3430, 17927), (4459, 13790), (4802, 12805), (5122, 12005), (6370, 9653), (6895, 8918)]