13309919980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:852

約数の個数: 144

約数和(自身を含む): 32979744000

約数和(自身を除く): 19669824020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 199, 245, 278, 398, 490, 491, 556, 695, 796, 973, 980, 982, 995, 1390, 1393, 1946, 1964, 1990, 2455, 2780, 2786, 3437, 3892, 3980, 4865, 4910, 5572, 6811, 6874, 6965, 9730, 9751, 9820, 13622, 13748, 13930, 17185, 19460, 19502, 24059, 27244, 27661, 27860, 34055, 34370, 39004, 48118, 48755, 55322, 68110, 68249, 68740, 96236, 97510, 97709, 110644, 120295, 136220, 136498, 138305, 193627, 195020, 195418, 240590, 272996, 276610, 341245, 387254, 390836, 477743, 481180, 488545, 553220, 682490, 683963, 774508, 955486, 968135, 977090, 1355389, 1364980, 1367926, 1910972, 1936270, 1954180, 2388715, 2710778, 2735852, 3344201, 3419815, 3872540, 4777430, 4787741, 5421556, 6688402, 6776945, 6839630, 9554860, 9575482, 13376804, 13553890, 13581551, 13679260, 16721005, 19150964, 23938705, 27107780, 27163102, 33442010, 47877410, 54326204, 66884020, 67907755, 95070857, 95754820, 135815510, 190141714, 271631020, 380283428, 475354285, 665495999, 950708570, 1330991998, 1901417140, 2661983996, 3327479995, 6654959990, 13309919980]

約数ペア:

[(1, 13309919980), (2, 6654959990), (4, 3327479995), (5, 2661983996), (7, 1901417140), (10, 1330991998), (14, 950708570), (20, 665495999), (28, 475354285), (35, 380283428), (49, 271631020), (70, 190141714), (98, 135815510), (139, 95754820), (140, 95070857), (196, 67907755), (199, 66884020), (245, 54326204), (278, 47877410), (398, 33442010), (490, 27163102), (491, 27107780), (556, 23938705), (695, 19150964), (796, 16721005), (973, 13679260), (980, 13581551), (982, 13553890), (995, 13376804), (1390, 9575482), (1393, 9554860), (1946, 6839630), (1964, 6776945), (1990, 6688402), (2455, 5421556), (2780, 4787741), (2786, 4777430), (3437, 3872540), (3892, 3419815), (3980, 3344201), (4865, 2735852), (4910, 2710778), (5572, 2388715), (6811, 1954180), (6874, 1936270), (6965, 1910972), (9730, 1367926), (9751, 1364980), (9820, 1355389), (13622, 977090), (13748, 968135), (13930, 955486), (17185, 774508), (19460, 683963), (19502, 682490), (24059, 553220), (27244, 488545), (27661, 481180), (27860, 477743), (34055, 390836), (34370, 387254), (39004, 341245), (48118, 276610), (48755, 272996), (55322, 240590), (68110, 195418), (68249, 195020), (68740, 193627), (96236, 138305), (97510, 136498), (97709, 136220), (110644, 120295)]