65351830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 127339344

約数和(自身を除く): 61987514

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 421, 430, 722, 817, 842, 1634, 1805, 2105, 3610, 4085, 4210, 7999, 8170, 15523, 15998, 18103, 31046, 36206, 39995, 77615, 79990, 90515, 151981, 155230, 181030, 303962, 343957, 687914, 759905, 1519810, 1719785, 3439570, 6535183, 13070366, 32675915, 65351830]

約数ペア:

[(1, 65351830), (2, 32675915), (5, 13070366), (10, 6535183), (19, 3439570), (38, 1719785), (43, 1519810), (86, 759905), (95, 687914), (190, 343957), (215, 303962), (361, 181030), (421, 155230), (430, 151981), (722, 90515), (817, 79990), (842, 77615), (1634, 39995), (1805, 36206), (2105, 31046), (3610, 18103), (4085, 15998), (4210, 15523), (7999, 8170)]