248934520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 614615040

約数和(自身を除く): 365680520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 71, 74, 92, 103, 115, 142, 148, 184, 185, 206, 230, 284, 296, 355, 370, 412, 460, 515, 568, 710, 740, 824, 851, 920, 1030, 1420, 1480, 1633, 1702, 2060, 2369, 2627, 2840, 3266, 3404, 3811, 4120, 4255, 4738, 5254, 6532, 6808, 7313, 7622, 8165, 8510, 9476, 10508, 11845, 13064, 13135, 14626, 15244, 16330, 17020, 18952, 19055, 21016, 23690, 26270, 29252, 30488, 32660, 34040, 36565, 38110, 47380, 52540, 58504, 60421, 65320, 73130, 76220, 87653, 94760, 105080, 120842, 146260, 152440, 168199, 175306, 241684, 270581, 292520, 302105, 336398, 350612, 438265, 483368, 541162, 604210, 672796, 701224, 840995, 876530, 1082324, 1208420, 1345592, 1352905, 1681990, 1753060, 2164648, 2416840, 2705810, 3363980, 3506120, 5411620, 6223363, 6727960, 10823240, 12446726, 24893452, 31116815, 49786904, 62233630, 124467260, 248934520]

約数ペア:

[(1, 248934520), (2, 124467260), (4, 62233630), (5, 49786904), (8, 31116815), (10, 24893452), (20, 12446726), (23, 10823240), (37, 6727960), (40, 6223363), (46, 5411620), (71, 3506120), (74, 3363980), (92, 2705810), (103, 2416840), (115, 2164648), (142, 1753060), (148, 1681990), (184, 1352905), (185, 1345592), (206, 1208420), (230, 1082324), (284, 876530), (296, 840995), (355, 701224), (370, 672796), (412, 604210), (460, 541162), (515, 483368), (568, 438265), (710, 350612), (740, 336398), (824, 302105), (851, 292520), (920, 270581), (1030, 241684), (1420, 175306), (1480, 168199), (1633, 152440), (1702, 146260), (2060, 120842), (2369, 105080), (2627, 94760), (2840, 87653), (3266, 76220), (3404, 73130), (3811, 65320), (4120, 60421), (4255, 58504), (4738, 52540), (5254, 47380), (6532, 38110), (6808, 36565), (7313, 34040), (7622, 32660), (8165, 30488), (8510, 29252), (9476, 26270), (10508, 23690), (11845, 21016), (13064, 19055), (13135, 18952), (14626, 17020), (15244, 16330)]