201763880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 463050000

約数和(自身を除く): 261286120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 149, 194, 298, 349, 388, 485, 596, 698, 745, 776, 970, 1192, 1396, 1490, 1745, 1940, 2792, 2980, 3490, 3880, 5960, 6980, 13960, 14453, 28906, 33853, 52001, 57812, 67706, 72265, 104002, 115624, 135412, 144530, 169265, 208004, 260005, 270824, 289060, 338530, 416008, 520010, 578120, 677060, 1040020, 1354120, 2080040, 5044097, 10088194, 20176388, 25220485, 40352776, 50440970, 100881940, 201763880]

約数ペア:

[(1, 201763880), (2, 100881940), (4, 50440970), (5, 40352776), (8, 25220485), (10, 20176388), (20, 10088194), (40, 5044097), (97, 2080040), (149, 1354120), (194, 1040020), (298, 677060), (349, 578120), (388, 520010), (485, 416008), (596, 338530), (698, 289060), (745, 270824), (776, 260005), (970, 208004), (1192, 169265), (1396, 144530), (1490, 135412), (1745, 115624), (1940, 104002), (2792, 72265), (2980, 67706), (3490, 57812), (3880, 52001), (5960, 33853), (6980, 28906), (13960, 14453)]