405587440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 969045120

約数和(自身を除く): 563457680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 269, 376, 401, 470, 538, 752, 802, 940, 1076, 1345, 1604, 1880, 2005, 2152, 2690, 3208, 3760, 4010, 4304, 5380, 6416, 8020, 10760, 12643, 16040, 18847, 21520, 25286, 32080, 37694, 50572, 63215, 75388, 94235, 101144, 107869, 126430, 150776, 188470, 202288, 215738, 252860, 301552, 376940, 431476, 505720, 539345, 753880, 862952, 1011440, 1078690, 1507760, 1725904, 2157380, 4314760, 5069843, 8629520, 10139686, 20279372, 25349215, 40558744, 50698430, 81117488, 101396860, 202793720, 405587440]

約数ペア:

[(1, 405587440), (2, 202793720), (4, 101396860), (5, 81117488), (8, 50698430), (10, 40558744), (16, 25349215), (20, 20279372), (40, 10139686), (47, 8629520), (80, 5069843), (94, 4314760), (188, 2157380), (235, 1725904), (269, 1507760), (376, 1078690), (401, 1011440), (470, 862952), (538, 753880), (752, 539345), (802, 505720), (940, 431476), (1076, 376940), (1345, 301552), (1604, 252860), (1880, 215738), (2005, 202288), (2152, 188470), (2690, 150776), (3208, 126430), (3760, 107869), (4010, 101144), (4304, 94235), (5380, 75388), (6416, 63215), (8020, 50572), (10760, 37694), (12643, 32080), (16040, 25286), (18847, 21520)]