71168020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 96

約数和(自身を含む): 191520000

約数和(自身を除く): 120351980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1249, 1295, 1540, 1628, 2035, 2498, 2590, 2849, 4070, 4996, 5180, 5698, 6245, 8140, 8743, 11396, 12490, 13739, 14245, 17486, 24980, 27478, 28490, 34972, 43715, 46213, 54956, 56980, 68695, 87430, 92426, 96173, 137390, 174860, 184852, 192346, 231065, 274780, 323491, 384692, 462130, 480865, 508343, 646982, 924260, 961730, 1016686, 1293964, 1617455, 1923460, 2033372, 2541715, 3234910, 3558401, 5083430, 6469820, 7116802, 10166860, 14233604, 17792005, 35584010, 71168020]

約数ペア:

[(1, 71168020), (2, 35584010), (4, 17792005), (5, 14233604), (7, 10166860), (10, 7116802), (11, 6469820), (14, 5083430), (20, 3558401), (22, 3234910), (28, 2541715), (35, 2033372), (37, 1923460), (44, 1617455), (55, 1293964), (70, 1016686), (74, 961730), (77, 924260), (110, 646982), (140, 508343), (148, 480865), (154, 462130), (185, 384692), (220, 323491), (259, 274780), (308, 231065), (370, 192346), (385, 184852), (407, 174860), (518, 137390), (740, 96173), (770, 92426), (814, 87430), (1036, 68695), (1249, 56980), (1295, 54956), (1540, 46213), (1628, 43715), (2035, 34972), (2498, 28490), (2590, 27478), (2849, 24980), (4070, 17486), (4996, 14245), (5180, 13739), (5698, 12490), (6245, 11396), (8140, 8743)]