254184560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1151

約数の個数: 120

約数和(自身を含む): 699392736

約数和(自身を除く): 445208176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 196, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 784, 854, 976, 980, 1063, 1220, 1708, 1960, 2126, 2135, 2440, 2989, 3416, 3920, 4252, 4270, 4880, 5315, 5978, 6832, 7441, 8504, 8540, 10630, 11956, 14882, 14945, 17008, 17080, 21260, 23912, 29764, 29890, 34160, 37205, 42520, 47824, 52087, 59528, 59780, 64843, 74410, 85040, 104174, 119056, 119560, 129686, 148820, 208348, 239120, 259372, 260435, 297640, 324215, 416696, 453901, 518744, 520870, 595280, 648430, 833392, 907802, 1037488, 1041740, 1296860, 1815604, 2083480, 2269505, 2593720, 3177307, 3631208, 4166960, 4539010, 5187440, 6354614, 7262416, 9078020, 12709228, 15886535, 18156040, 25418456, 31773070, 36312080, 50836912, 63546140, 127092280, 254184560]

約数ペア:

[(1, 254184560), (2, 127092280), (4, 63546140), (5, 50836912), (7, 36312080), (8, 31773070), (10, 25418456), (14, 18156040), (16, 15886535), (20, 12709228), (28, 9078020), (35, 7262416), (40, 6354614), (49, 5187440), (56, 4539010), (61, 4166960), (70, 3631208), (80, 3177307), (98, 2593720), (112, 2269505), (122, 2083480), (140, 1815604), (196, 1296860), (244, 1041740), (245, 1037488), (280, 907802), (305, 833392), (392, 648430), (427, 595280), (488, 520870), (490, 518744), (560, 453901), (610, 416696), (784, 324215), (854, 297640), (976, 260435), (980, 259372), (1063, 239120), (1220, 208348), (1708, 148820), (1960, 129686), (2126, 119560), (2135, 119056), (2440, 104174), (2989, 85040), (3416, 74410), (3920, 64843), (4252, 59780), (4270, 59528), (4880, 52087), (5315, 47824), (5978, 42520), (6832, 37205), (7441, 34160), (8504, 29890), (8540, 29764), (10630, 23912), (11956, 21260), (14882, 17080), (14945, 17008)]