259452220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 596736000

約数和(自身を除く): 337283780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 73, 76, 94, 95, 146, 188, 190, 199, 235, 292, 365, 380, 398, 470, 730, 796, 893, 940, 995, 1387, 1460, 1786, 1990, 2774, 3431, 3572, 3781, 3980, 4465, 5548, 6862, 6935, 7562, 8930, 9353, 13724, 13870, 14527, 15124, 17155, 17860, 18706, 18905, 27740, 29054, 34310, 37412, 37810, 46765, 58108, 65189, 68620, 72635, 75620, 93530, 130378, 145270, 177707, 187060, 260756, 276013, 290540, 325945, 355414, 552026, 651890, 682769, 710828, 888535, 1104052, 1303780, 1365538, 1380065, 1777070, 2731076, 2760130, 3413845, 3554140, 5520260, 6827690, 12972611, 13655380, 25945222, 51890444, 64863055, 129726110, 259452220]

約数ペア:

[(1, 259452220), (2, 129726110), (4, 64863055), (5, 51890444), (10, 25945222), (19, 13655380), (20, 12972611), (38, 6827690), (47, 5520260), (73, 3554140), (76, 3413845), (94, 2760130), (95, 2731076), (146, 1777070), (188, 1380065), (190, 1365538), (199, 1303780), (235, 1104052), (292, 888535), (365, 710828), (380, 682769), (398, 651890), (470, 552026), (730, 355414), (796, 325945), (893, 290540), (940, 276013), (995, 260756), (1387, 187060), (1460, 177707), (1786, 145270), (1990, 130378), (2774, 93530), (3431, 75620), (3572, 72635), (3781, 68620), (3980, 65189), (4465, 58108), (5548, 46765), (6862, 37810), (6935, 37412), (7562, 34310), (8930, 29054), (9353, 27740), (13724, 18905), (13870, 18706), (14527, 17860), (15124, 17155)]