418099600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 1035112320

約数和(自身を除く): 617012720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 101, 131, 158, 200, 202, 262, 316, 395, 400, 404, 505, 524, 632, 655, 790, 808, 1010, 1048, 1264, 1310, 1580, 1616, 1975, 2020, 2096, 2525, 2620, 3160, 3275, 3950, 4040, 5050, 5240, 6320, 6550, 7900, 7979, 8080, 10100, 10349, 10480, 13100, 13231, 15800, 15958, 20200, 20698, 26200, 26462, 31600, 31916, 39895, 40400, 41396, 51745, 52400, 52924, 63832, 66155, 79790, 82792, 103490, 105848, 127664, 132310, 159580, 165584, 199475, 206980, 211696, 258725, 264620, 319160, 330775, 398950, 413960, 517450, 529240, 638320, 661550, 797900, 827920, 1034900, 1045249, 1058480, 1323100, 1595800, 2069800, 2090498, 2646200, 3191600, 4139600, 4180996, 5226245, 5292400, 8361992, 10452490, 16723984, 20904980, 26131225, 41809960, 52262450, 83619920, 104524900, 209049800, 418099600]

約数ペア:

[(1, 418099600), (2, 209049800), (4, 104524900), (5, 83619920), (8, 52262450), (10, 41809960), (16, 26131225), (20, 20904980), (25, 16723984), (40, 10452490), (50, 8361992), (79, 5292400), (80, 5226245), (100, 4180996), (101, 4139600), (131, 3191600), (158, 2646200), (200, 2090498), (202, 2069800), (262, 1595800), (316, 1323100), (395, 1058480), (400, 1045249), (404, 1034900), (505, 827920), (524, 797900), (632, 661550), (655, 638320), (790, 529240), (808, 517450), (1010, 413960), (1048, 398950), (1264, 330775), (1310, 319160), (1580, 264620), (1616, 258725), (1975, 211696), (2020, 206980), (2096, 199475), (2525, 165584), (2620, 159580), (3160, 132310), (3275, 127664), (3950, 105848), (4040, 103490), (5050, 82792), (5240, 79790), (6320, 66155), (6550, 63832), (7900, 52924), (7979, 52400), (8080, 51745), (10100, 41396), (10349, 40400), (10480, 39895), (13100, 31916), (13231, 31600), (15800, 26462), (15958, 26200), (20200, 20698)]