311792390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{48947}}^1$

素因数の和:48981

約数の個数: 48

約数和(自身を含む): 703089072

約数和(自身を除く): 391296682

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 48947, 97894, 244735, 342629, 489470, 636311, 685258, 1272622, 1713145, 2398403, 3181555, 3426290, 4454177, 4796806, 6363110, 8908354, 11992015, 22270885, 23984030, 31179239, 44541770, 62358478, 155896195, 311792390]

約数ペア:

[(1, 311792390), (2, 155896195), (5, 62358478), (7, 44541770), (10, 31179239), (13, 23984030), (14, 22270885), (26, 11992015), (35, 8908354), (49, 6363110), (65, 4796806), (70, 4454177), (91, 3426290), (98, 3181555), (130, 2398403), (182, 1713145), (245, 1272622), (455, 685258), (490, 636311), (637, 489470), (910, 342629), (1274, 244735), (3185, 97894), (6370, 48947)]