398993280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{4241}}^1$

素因数の和:4277

約数の個数: 192

約数和(自身を含む): 1479779280

約数和(自身を除く): 1080786000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4241, 4480, 4704, 5880, 6272, 6720, 7840, 8482, 9408, 11760, 12723, 13440, 15680, 16964, 18816, 21205, 23520, 25446, 29687, 31360, 33928, 42410, 47040, 50892, 59374, 63615, 67856, 84820, 89061, 94080, 101784, 118748, 127230, 135712, 148435, 169640, 178122, 203568, 207809, 237496, 254460, 271424, 296870, 339280, 356244, 407136, 415618, 445305, 474992, 508920, 542848, 593740, 623427, 678560, 712488, 814272, 831236, 890610, 949984, 1017840, 1039045, 1187480, 1246854, 1357120, 1424976, 1628544, 1662472, 1781220, 1899968, 2035680, 2078090, 2374960, 2493708, 2714240, 2849952, 3117135, 3324944, 3562440, 3799936, 4071360, 4156180, 4749920, 4987416, 5699904, 6234270, 6649888, 7124880, 8142720, 8312360, 9499840, 9974832, 11399808, 12468540, 13299776, 14249760, 16624720, 18999680, 19949664, 24937080, 26599552, 28499520, 33249440, 39899328, 49874160, 56999040, 66498880, 79798656, 99748320, 132997760, 199496640, 398993280]

約数ペア:

[(1, 398993280), (2, 199496640), (3, 132997760), (4, 99748320), (5, 79798656), (6, 66498880), (7, 56999040), (8, 49874160), (10, 39899328), (12, 33249440), (14, 28499520), (15, 26599552), (16, 24937080), (20, 19949664), (21, 18999680), (24, 16624720), (28, 14249760), (30, 13299776), (32, 12468540), (35, 11399808), (40, 9974832), (42, 9499840), (48, 8312360), (49, 8142720), (56, 7124880), (60, 6649888), (64, 6234270), (70, 5699904), (80, 4987416), (84, 4749920), (96, 4156180), (98, 4071360), (105, 3799936), (112, 3562440), (120, 3324944), (128, 3117135), (140, 2849952), (147, 2714240), (160, 2493708), (168, 2374960), (192, 2078090), (196, 2035680), (210, 1899968), (224, 1781220), (240, 1662472), (245, 1628544), (280, 1424976), (294, 1357120), (320, 1246854), (336, 1187480), (384, 1039045), (392, 1017840), (420, 949984), (448, 890610), (480, 831236), (490, 814272), (560, 712488), (588, 678560), (640, 623427), (672, 593740), (735, 542848), (784, 508920), (840, 474992), (896, 445305), (960, 415618), (980, 407136), (1120, 356244), (1176, 339280), (1344, 296870), (1470, 271424), (1568, 254460), (1680, 237496), (1920, 207809), (1960, 203568), (2240, 178122), (2352, 169640), (2688, 148435), (2940, 135712), (3136, 127230), (3360, 118748), (3920, 101784), (4241, 94080), (4480, 89061), (4704, 84820), (5880, 67856), (6272, 63615), (6720, 59374), (7840, 50892), (8482, 47040), (9408, 42410), (11760, 33928), (12723, 31360), (13440, 29687), (15680, 25446), (16964, 23520), (18816, 21205)]