1818517731940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{5021033}}^1$

素因数の和:5021261

約数の個数: 96

約数和(自身を含む): 4723788787200

約数和(自身を除く): 2905271055260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 199, 260, 364, 398, 455, 796, 910, 995, 1393, 1820, 1990, 2587, 2786, 3980, 5174, 5572, 6965, 10348, 12935, 13930, 18109, 25870, 27860, 36218, 51740, 72436, 90545, 181090, 362180, 5021033, 10042066, 20084132, 25105165, 35147231, 50210330, 65273429, 70294462, 100420660, 130546858, 140588924, 175736155, 261093716, 326367145, 351472310, 456914003, 652734290, 702944620, 913828006, 999185567, 1305468580, 1827656012, 1998371134, 2284570015, 3996742268, 4569140030, 4995927835, 6994298969, 9138280060, 9991855670, 12989412371, 13988597938, 19983711340, 25978824742, 27977195876, 34971494845, 51957649484, 64947061855, 69942989690, 90925886597, 129894123710, 139885979380, 181851773194, 259788247420, 363703546388, 454629432985, 909258865970, 1818517731940]

約数ペア:

[(1, 1818517731940), (2, 909258865970), (4, 454629432985), (5, 363703546388), (7, 259788247420), (10, 181851773194), (13, 139885979380), (14, 129894123710), (20, 90925886597), (26, 69942989690), (28, 64947061855), (35, 51957649484), (52, 34971494845), (65, 27977195876), (70, 25978824742), (91, 19983711340), (130, 13988597938), (140, 12989412371), (182, 9991855670), (199, 9138280060), (260, 6994298969), (364, 4995927835), (398, 4569140030), (455, 3996742268), (796, 2284570015), (910, 1998371134), (995, 1827656012), (1393, 1305468580), (1820, 999185567), (1990, 913828006), (2587, 702944620), (2786, 652734290), (3980, 456914003), (5174, 351472310), (5572, 326367145), (6965, 261093716), (10348, 175736155), (12935, 140588924), (13930, 130546858), (18109, 100420660), (25870, 70294462), (27860, 65273429), (36218, 50210330), (51740, 35147231), (72436, 25105165), (90545, 20084132), (181090, 10042066), (362180, 5021033)]