389195080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 953856000

約数和(自身を除く): 564660920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 79, 116, 124, 137, 145, 155, 158, 232, 248, 274, 290, 310, 316, 395, 548, 580, 620, 632, 685, 790, 899, 1096, 1160, 1240, 1370, 1580, 1798, 2291, 2449, 2740, 3160, 3596, 3973, 4247, 4495, 4582, 4898, 5480, 7192, 7946, 8494, 8990, 9164, 9796, 10823, 11455, 12245, 15892, 16988, 17980, 18328, 19592, 19865, 21235, 21646, 22910, 24490, 31784, 33976, 35960, 39730, 42470, 43292, 45820, 48980, 54115, 71021, 79460, 84940, 86584, 91640, 97960, 108230, 123163, 142042, 158920, 169880, 216460, 246326, 284084, 313867, 335513, 355105, 432920, 492652, 568168, 615815, 627734, 671026, 710210, 985304, 1231630, 1255468, 1342052, 1420420, 1569335, 1677565, 2463260, 2510936, 2684104, 2840840, 3138670, 3355130, 4926520, 6277340, 6710260, 9729877, 12554680, 13420520, 19459754, 38919508, 48649385, 77839016, 97298770, 194597540, 389195080]

約数ペア:

[(1, 389195080), (2, 194597540), (4, 97298770), (5, 77839016), (8, 48649385), (10, 38919508), (20, 19459754), (29, 13420520), (31, 12554680), (40, 9729877), (58, 6710260), (62, 6277340), (79, 4926520), (116, 3355130), (124, 3138670), (137, 2840840), (145, 2684104), (155, 2510936), (158, 2463260), (232, 1677565), (248, 1569335), (274, 1420420), (290, 1342052), (310, 1255468), (316, 1231630), (395, 985304), (548, 710210), (580, 671026), (620, 627734), (632, 615815), (685, 568168), (790, 492652), (899, 432920), (1096, 355105), (1160, 335513), (1240, 313867), (1370, 284084), (1580, 246326), (1798, 216460), (2291, 169880), (2449, 158920), (2740, 142042), (3160, 123163), (3596, 108230), (3973, 97960), (4247, 91640), (4495, 86584), (4582, 84940), (4898, 79460), (5480, 71021), (7192, 54115), (7946, 48980), (8494, 45820), (8990, 43292), (9164, 42470), (9796, 39730), (10823, 35960), (11455, 33976), (12245, 31784), (15892, 24490), (16988, 22910), (17980, 21646), (18328, 21235), (19592, 19865)]