20195470900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 48445024320

約数和(自身を除く): 28249553420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 131, 220, 262, 269, 275, 521, 524, 538, 550, 655, 1042, 1076, 1100, 1310, 1345, 1441, 2084, 2605, 2620, 2690, 2882, 2959, 3275, 5210, 5380, 5731, 5764, 5918, 6550, 6725, 7205, 10420, 11462, 11836, 13025, 13100, 13450, 14410, 14795, 22924, 26050, 26900, 28655, 28820, 29590, 35239, 36025, 52100, 57310, 59180, 68251, 70478, 72050, 73975, 114620, 136502, 140149, 140956, 143275, 144100, 147950, 176195, 273004, 280298, 286550, 295900, 341255, 352390, 387629, 560596, 573100, 682510, 700745, 704780, 750761, 775258, 880975, 1365020, 1401490, 1501522, 1541639, 1550516, 1706275, 1761950, 1938145, 2802980, 3003044, 3083278, 3412550, 3503725, 3523900, 3753805, 3876290, 6166556, 6825100, 7007450, 7507610, 7708195, 7752580, 9690725, 14014900, 15015220, 15416390, 18359519, 18769025, 19381450, 30832780, 36719038, 37538050, 38540975, 38762900, 73438076, 75076100, 77081950, 91797595, 154163900, 183595190, 201954709, 367190380, 403909418, 458987975, 807818836, 917975950, 1009773545, 1835951900, 2019547090, 4039094180, 5048867725, 10097735450, 20195470900]

約数ペア:

[(1, 20195470900), (2, 10097735450), (4, 5048867725), (5, 4039094180), (10, 2019547090), (11, 1835951900), (20, 1009773545), (22, 917975950), (25, 807818836), (44, 458987975), (50, 403909418), (55, 367190380), (100, 201954709), (110, 183595190), (131, 154163900), (220, 91797595), (262, 77081950), (269, 75076100), (275, 73438076), (521, 38762900), (524, 38540975), (538, 37538050), (550, 36719038), (655, 30832780), (1042, 19381450), (1076, 18769025), (1100, 18359519), (1310, 15416390), (1345, 15015220), (1441, 14014900), (2084, 9690725), (2605, 7752580), (2620, 7708195), (2690, 7507610), (2882, 7007450), (2959, 6825100), (3275, 6166556), (5210, 3876290), (5380, 3753805), (5731, 3523900), (5764, 3503725), (5918, 3412550), (6550, 3083278), (6725, 3003044), (7205, 2802980), (10420, 1938145), (11462, 1761950), (11836, 1706275), (13025, 1550516), (13100, 1541639), (13450, 1501522), (14410, 1401490), (14795, 1365020), (22924, 880975), (26050, 775258), (26900, 750761), (28655, 704780), (28820, 700745), (29590, 682510), (35239, 573100), (36025, 560596), (52100, 387629), (57310, 352390), (59180, 341255), (68251, 295900), (70478, 286550), (72050, 280298), (73975, 273004), (114620, 176195), (136502, 147950), (140149, 144100), (140956, 143275)]