2019415888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{971}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 4628275200

約数和(自身を除く): 2608859312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 599, 868, 971, 1198, 1736, 1942, 2396, 3472, 3884, 4193, 4792, 6797, 7768, 8386, 9584, 13594, 15536, 16772, 18569, 27188, 30101, 33544, 37138, 54376, 60202, 67088, 74276, 108752, 120404, 129983, 148552, 210707, 240808, 259966, 297104, 421414, 481616, 519932, 581629, 842828, 1039864, 1163258, 1685656, 2079728, 2326516, 3371312, 4071403, 4653032, 8142806, 9306064, 16285612, 18030499, 32571224, 36060998, 65142448, 72121996, 126213493, 144243992, 252426986, 288487984, 504853972, 1009707944, 2019415888]

約数ペア:

[(1, 2019415888), (2, 1009707944), (4, 504853972), (7, 288487984), (8, 252426986), (14, 144243992), (16, 126213493), (28, 72121996), (31, 65142448), (56, 36060998), (62, 32571224), (112, 18030499), (124, 16285612), (217, 9306064), (248, 8142806), (434, 4653032), (496, 4071403), (599, 3371312), (868, 2326516), (971, 2079728), (1198, 1685656), (1736, 1163258), (1942, 1039864), (2396, 842828), (3472, 581629), (3884, 519932), (4193, 481616), (4792, 421414), (6797, 297104), (7768, 259966), (8386, 240808), (9584, 210707), (13594, 148552), (15536, 129983), (16772, 120404), (18569, 108752), (27188, 74276), (30101, 67088), (33544, 60202), (37138, 54376)]