147777400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 357120000

約数和(自身を除く): 209342600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 79, 94, 100, 158, 188, 199, 200, 235, 316, 376, 395, 398, 470, 632, 790, 796, 940, 995, 1175, 1580, 1592, 1880, 1975, 1990, 2350, 3160, 3713, 3950, 3980, 4700, 4975, 7426, 7900, 7960, 9353, 9400, 9950, 14852, 15721, 15800, 18565, 18706, 19900, 29704, 31442, 37130, 37412, 39800, 46765, 62884, 74260, 74824, 78605, 92825, 93530, 125768, 148520, 157210, 185650, 187060, 233825, 314420, 371300, 374120, 393025, 467650, 628840, 738887, 742600, 786050, 935300, 1477774, 1572100, 1870600, 2955548, 3144200, 3694435, 5911096, 7388870, 14777740, 18472175, 29555480, 36944350, 73888700, 147777400]

約数ペア:

[(1, 147777400), (2, 73888700), (4, 36944350), (5, 29555480), (8, 18472175), (10, 14777740), (20, 7388870), (25, 5911096), (40, 3694435), (47, 3144200), (50, 2955548), (79, 1870600), (94, 1572100), (100, 1477774), (158, 935300), (188, 786050), (199, 742600), (200, 738887), (235, 628840), (316, 467650), (376, 393025), (395, 374120), (398, 371300), (470, 314420), (632, 233825), (790, 187060), (796, 185650), (940, 157210), (995, 148520), (1175, 125768), (1580, 93530), (1592, 92825), (1880, 78605), (1975, 74824), (1990, 74260), (2350, 62884), (3160, 46765), (3713, 39800), (3950, 37412), (3980, 37130), (4700, 31442), (4975, 29704), (7426, 19900), (7900, 18706), (7960, 18565), (9353, 15800), (9400, 15721), (9950, 14852)]