1990118056

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1823}}^1$

素因数の和:2218

約数の個数: 64

約数和(自身を含む): 4136832000

約数和(自身を除く): 2146713944

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 349, 391, 698, 782, 1396, 1564, 1823, 2792, 3128, 3646, 5933, 7292, 8027, 11866, 14584, 16054, 23732, 30991, 32108, 41929, 47464, 61982, 64216, 83858, 123964, 136459, 167716, 247928, 272918, 335432, 545836, 636227, 712793, 1091672, 1272454, 1425586, 2544908, 2851172, 5089816, 5702344, 10815859, 14633221, 21631718, 29266442, 43263436, 58532884, 86526872, 117065768, 248764757, 497529514, 995059028, 1990118056]

約数ペア:

[(1, 1990118056), (2, 995059028), (4, 497529514), (8, 248764757), (17, 117065768), (23, 86526872), (34, 58532884), (46, 43263436), (68, 29266442), (92, 21631718), (136, 14633221), (184, 10815859), (349, 5702344), (391, 5089816), (698, 2851172), (782, 2544908), (1396, 1425586), (1564, 1272454), (1823, 1091672), (2792, 712793), (3128, 636227), (3646, 545836), (5933, 335432), (7292, 272918), (8027, 247928), (11866, 167716), (14584, 136459), (16054, 123964), (23732, 83858), (30991, 64216), (32108, 61982), (41929, 47464)]