73438499260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1\times {\mathrm{8999}}^1$

素因数の和:9907

約数の個数: 96

約数和(自身を含む): 178972416000

約数和(自身を除く): 105533916740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 821, 994, 1420, 1642, 1988, 2485, 3284, 4105, 4970, 5747, 8210, 8999, 9940, 11494, 16420, 17998, 22988, 28735, 35996, 44995, 57470, 58291, 62993, 89990, 114940, 116582, 125986, 179980, 233164, 251972, 291455, 314965, 408037, 582910, 629930, 638929, 816074, 1165820, 1259860, 1277858, 1632148, 2040185, 2555716, 3194645, 4080370, 4472503, 6389290, 7388179, 8160740, 8945006, 12778580, 14776358, 17890012, 22362515, 29552716, 36940895, 44725030, 51717253, 73881790, 89450060, 103434506, 147763580, 206869012, 258586265, 517172530, 524560709, 1034345060, 1049121418, 2098242836, 2622803545, 3671924963, 5245607090, 7343849926, 10491214180, 14687699852, 18359624815, 36719249630, 73438499260]

約数ペア:

[(1, 73438499260), (2, 36719249630), (4, 18359624815), (5, 14687699852), (7, 10491214180), (10, 7343849926), (14, 5245607090), (20, 3671924963), (28, 2622803545), (35, 2098242836), (70, 1049121418), (71, 1034345060), (140, 524560709), (142, 517172530), (284, 258586265), (355, 206869012), (497, 147763580), (710, 103434506), (821, 89450060), (994, 73881790), (1420, 51717253), (1642, 44725030), (1988, 36940895), (2485, 29552716), (3284, 22362515), (4105, 17890012), (4970, 14776358), (5747, 12778580), (8210, 8945006), (8999, 8160740), (9940, 7388179), (11494, 6389290), (16420, 4472503), (17998, 4080370), (22988, 3194645), (28735, 2555716), (35996, 2040185), (44995, 1632148), (57470, 1277858), (58291, 1259860), (62993, 1165820), (89990, 816074), (114940, 638929), (116582, 629930), (125986, 582910), (179980, 408037), (233164, 314965), (251972, 291455)]