17770700

素因数分解:

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

素因数の和:279

約数の個数: 72

約数和(自身を含む): 41664000

約数和(自身を除く): 23893300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 199, 235, 380, 398, 470, 475, 796, 893, 940, 950, 995, 1175, 1786, 1900, 1990, 2350, 3572, 3781, 3980, 4465, 4700, 4975, 7562, 8930, 9353, 9950, 15124, 17860, 18706, 18905, 19900, 22325, 37412, 37810, 44650, 46765, 75620, 89300, 93530, 94525, 177707, 187060, 189050, 233825, 355414, 378100, 467650, 710828, 888535, 935300, 1777070, 3554140, 4442675, 8885350, 17770700]

約数ペア:

[(1, 17770700), (2, 8885350), (4, 4442675), (5, 3554140), (10, 1777070), (19, 935300), (20, 888535), (25, 710828), (38, 467650), (47, 378100), (50, 355414), (76, 233825), (94, 189050), (95, 187060), (100, 177707), (188, 94525), (190, 93530), (199, 89300), (235, 75620), (380, 46765), (398, 44650), (470, 37810), (475, 37412), (796, 22325), (893, 19900), (940, 18905), (950, 18706), (995, 17860), (1175, 15124), (1786, 9950), (1900, 9353), (1990, 8930), (2350, 7562), (3572, 4975), (3781, 4700), (3980, 4465)]