138780712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 335923200

約数和(自身を除く): 197142488

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 53, 56, 76, 92, 106, 107, 133, 152, 161, 184, 212, 214, 266, 322, 371, 424, 428, 437, 532, 644, 742, 749, 856, 874, 1007, 1064, 1219, 1288, 1484, 1498, 1748, 2014, 2033, 2438, 2461, 2968, 2996, 3059, 3496, 4028, 4066, 4876, 4922, 5671, 5992, 6118, 7049, 8056, 8132, 8533, 9752, 9844, 11342, 12236, 14098, 14231, 16264, 17066, 17227, 19688, 22684, 23161, 24472, 28196, 28462, 34132, 34454, 39697, 45368, 46322, 46759, 56392, 56924, 68264, 68908, 79394, 92644, 93518, 107749, 113848, 130433, 137816, 158788, 162127, 185288, 187036, 215498, 260866, 317576, 324254, 327313, 374072, 430996, 521732, 648508, 654626, 754243, 861992, 913031, 1043464, 1297016, 1309252, 1508486, 1826062, 2478227, 2618504, 3016972, 3652124, 4956454, 6033944, 7304248, 9912908, 17347589, 19825816, 34695178, 69390356, 138780712]

約数ペア:

[(1, 138780712), (2, 69390356), (4, 34695178), (7, 19825816), (8, 17347589), (14, 9912908), (19, 7304248), (23, 6033944), (28, 4956454), (38, 3652124), (46, 3016972), (53, 2618504), (56, 2478227), (76, 1826062), (92, 1508486), (106, 1309252), (107, 1297016), (133, 1043464), (152, 913031), (161, 861992), (184, 754243), (212, 654626), (214, 648508), (266, 521732), (322, 430996), (371, 374072), (424, 327313), (428, 324254), (437, 317576), (532, 260866), (644, 215498), (742, 187036), (749, 185288), (856, 162127), (874, 158788), (1007, 137816), (1064, 130433), (1219, 113848), (1288, 107749), (1484, 93518), (1498, 92644), (1748, 79394), (2014, 68908), (2033, 68264), (2438, 56924), (2461, 56392), (2968, 46759), (2996, 46322), (3059, 45368), (3496, 39697), (4028, 34454), (4066, 34132), (4876, 28462), (4922, 28196), (5671, 24472), (5992, 23161), (6118, 22684), (7049, 19688), (8056, 17227), (8132, 17066), (8533, 16264), (9752, 14231), (9844, 14098), (11342, 12236)]