205136008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1091

約数の個数: 128

約数和(自身を含む): 534988800

約数和(自身を除く): 329852792

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 19, 22, 28, 34, 38, 44, 56, 68, 76, 77, 88, 119, 133, 136, 152, 154, 187, 209, 238, 266, 308, 323, 374, 418, 476, 532, 616, 646, 748, 836, 952, 1031, 1064, 1292, 1309, 1463, 1496, 1672, 2062, 2261, 2584, 2618, 2926, 3553, 4124, 4522, 5236, 5852, 7106, 7217, 8248, 9044, 10472, 11341, 11704, 14212, 14434, 17527, 18088, 19589, 22682, 24871, 28424, 28868, 35054, 39178, 45364, 49742, 57736, 70108, 78356, 79387, 90728, 99484, 122689, 137123, 140216, 156712, 158774, 192797, 198968, 215479, 245378, 274246, 317548, 333013, 385594, 430958, 490756, 548492, 635096, 666026, 771188, 861916, 981512, 1096984, 1332052, 1349579, 1508353, 1542376, 1723832, 2331091, 2664104, 2699158, 3016706, 3663143, 4662182, 5398316, 6033412, 7326286, 9324364, 10796632, 12066824, 14652572, 18648728, 25642001, 29305144, 51284002, 102568004, 205136008]

約数ペア:

[(1, 205136008), (2, 102568004), (4, 51284002), (7, 29305144), (8, 25642001), (11, 18648728), (14, 14652572), (17, 12066824), (19, 10796632), (22, 9324364), (28, 7326286), (34, 6033412), (38, 5398316), (44, 4662182), (56, 3663143), (68, 3016706), (76, 2699158), (77, 2664104), (88, 2331091), (119, 1723832), (133, 1542376), (136, 1508353), (152, 1349579), (154, 1332052), (187, 1096984), (209, 981512), (238, 861916), (266, 771188), (308, 666026), (323, 635096), (374, 548492), (418, 490756), (476, 430958), (532, 385594), (616, 333013), (646, 317548), (748, 274246), (836, 245378), (952, 215479), (1031, 198968), (1064, 192797), (1292, 158774), (1309, 156712), (1463, 140216), (1496, 137123), (1672, 122689), (2062, 99484), (2261, 90728), (2584, 79387), (2618, 78356), (2926, 70108), (3553, 57736), (4124, 49742), (4522, 45364), (5236, 39178), (5852, 35054), (7106, 28868), (7217, 28424), (8248, 24871), (9044, 22682), (10472, 19589), (11341, 18088), (11704, 17527), (14212, 14434)]