49385180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 118364400

約数和(自身を除く): 68979220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 769, 845, 988, 1235, 1538, 1690, 2470, 3076, 3211, 3380, 3845, 4940, 6422, 7690, 9997, 12844, 14611, 15380, 16055, 19994, 29222, 32110, 39988, 49985, 58444, 64220, 73055, 99970, 129961, 146110, 189943, 199940, 259922, 292220, 379886, 519844, 649805, 759772, 949715, 1299610, 1899430, 2469259, 2599220, 3798860, 4938518, 9877036, 12346295, 24692590, 49385180]

約数ペア:

[(1, 49385180), (2, 24692590), (4, 12346295), (5, 9877036), (10, 4938518), (13, 3798860), (19, 2599220), (20, 2469259), (26, 1899430), (38, 1299610), (52, 949715), (65, 759772), (76, 649805), (95, 519844), (130, 379886), (169, 292220), (190, 259922), (247, 199940), (260, 189943), (338, 146110), (380, 129961), (494, 99970), (676, 73055), (769, 64220), (845, 58444), (988, 49985), (1235, 39988), (1538, 32110), (1690, 29222), (2470, 19994), (3076, 16055), (3211, 15380), (3380, 14611), (3845, 12844), (4940, 9997), (6422, 7690)]