661464050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:2004

約数の個数: 96

約数和(自身を含む): 1448907264

約数和(自身を除く): 787443214

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 155, 170, 221, 310, 325, 403, 425, 442, 527, 650, 775, 806, 850, 1054, 1105, 1550, 1931, 2015, 2210, 2635, 3862, 4030, 5270, 5525, 6851, 9655, 10075, 11050, 13175, 13702, 19310, 20150, 25103, 26350, 32827, 34255, 48275, 50206, 59861, 65654, 68510, 96550, 119722, 125515, 164135, 171275, 251030, 299305, 328270, 342550, 426751, 598610, 627575, 778193, 820675, 853502, 1017637, 1255150, 1496525, 1556386, 1641350, 2035274, 2133755, 2993050, 3890965, 4267510, 5088185, 7781930, 10176370, 10668775, 13229281, 19454825, 21337550, 25440925, 26458562, 38909650, 50881850, 66146405, 132292810, 330732025, 661464050]

約数ペア:

[(1, 661464050), (2, 330732025), (5, 132292810), (10, 66146405), (13, 50881850), (17, 38909650), (25, 26458562), (26, 25440925), (31, 21337550), (34, 19454825), (50, 13229281), (62, 10668775), (65, 10176370), (85, 7781930), (130, 5088185), (155, 4267510), (170, 3890965), (221, 2993050), (310, 2133755), (325, 2035274), (403, 1641350), (425, 1556386), (442, 1496525), (527, 1255150), (650, 1017637), (775, 853502), (806, 820675), (850, 778193), (1054, 627575), (1105, 598610), (1550, 426751), (1931, 342550), (2015, 328270), (2210, 299305), (2635, 251030), (3862, 171275), (4030, 164135), (5270, 125515), (5525, 119722), (6851, 96550), (9655, 68510), (10075, 65654), (11050, 59861), (13175, 50206), (13702, 48275), (19310, 34255), (20150, 32827), (25103, 26350)]