257188400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3019

約数の個数: 120

約数和(自身を含む): 729191424

約数和(自身を除く): 472003024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1736, 2170, 2480, 2800, 2963, 3100, 3472, 4340, 5425, 5926, 6200, 8680, 10850, 11852, 12400, 14815, 17360, 20741, 21700, 23704, 29630, 41482, 43400, 47408, 59260, 74075, 82964, 86800, 91853, 103705, 118520, 148150, 165928, 183706, 207410, 237040, 296300, 331856, 367412, 414820, 459265, 518525, 592600, 642971, 734824, 829640, 918530, 1037050, 1185200, 1285942, 1469648, 1659280, 1837060, 2074100, 2296325, 2571884, 3214855, 3674120, 4148200, 4592650, 5143768, 6429710, 7348240, 8296400, 9185300, 10287536, 12859420, 16074275, 18370600, 25718840, 32148550, 36741200, 51437680, 64297100, 128594200, 257188400]

約数ペア:

[(1, 257188400), (2, 128594200), (4, 64297100), (5, 51437680), (7, 36741200), (8, 32148550), (10, 25718840), (14, 18370600), (16, 16074275), (20, 12859420), (25, 10287536), (28, 9185300), (31, 8296400), (35, 7348240), (40, 6429710), (50, 5143768), (56, 4592650), (62, 4148200), (70, 3674120), (80, 3214855), (100, 2571884), (112, 2296325), (124, 2074100), (140, 1837060), (155, 1659280), (175, 1469648), (200, 1285942), (217, 1185200), (248, 1037050), (280, 918530), (310, 829640), (350, 734824), (400, 642971), (434, 592600), (496, 518525), (560, 459265), (620, 414820), (700, 367412), (775, 331856), (868, 296300), (1085, 237040), (1240, 207410), (1400, 183706), (1550, 165928), (1736, 148150), (2170, 118520), (2480, 103705), (2800, 91853), (2963, 86800), (3100, 82964), (3472, 74075), (4340, 59260), (5425, 47408), (5926, 43400), (6200, 41482), (8680, 29630), (10850, 23704), (11852, 21700), (12400, 20741), (14815, 17360)]