263740064

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 96

約数和(自身を含む): 645120000

約数和(自身を除く): 381379936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 76, 112, 124, 133, 152, 217, 224, 248, 266, 304, 434, 496, 532, 589, 608, 868, 992, 1064, 1178, 1736, 1999, 2128, 2356, 3472, 3998, 4123, 4256, 4712, 6944, 7996, 8246, 9424, 13993, 15992, 16492, 18848, 27986, 31984, 32984, 37981, 55972, 61969, 63968, 65968, 75962, 111944, 123938, 131936, 151924, 223888, 247876, 265867, 303848, 433783, 447776, 495752, 531734, 607696, 867566, 991504, 1063468, 1177411, 1215392, 1735132, 1983008, 2126936, 2354822, 3470264, 4253872, 4709644, 6940528, 8241877, 8507744, 9419288, 13881056, 16483754, 18838576, 32967508, 37677152, 65935016, 131870032, 263740064]

約数ペア:

[(1, 263740064), (2, 131870032), (4, 65935016), (7, 37677152), (8, 32967508), (14, 18838576), (16, 16483754), (19, 13881056), (28, 9419288), (31, 8507744), (32, 8241877), (38, 6940528), (56, 4709644), (62, 4253872), (76, 3470264), (112, 2354822), (124, 2126936), (133, 1983008), (152, 1735132), (217, 1215392), (224, 1177411), (248, 1063468), (266, 991504), (304, 867566), (434, 607696), (496, 531734), (532, 495752), (589, 447776), (608, 433783), (868, 303848), (992, 265867), (1064, 247876), (1178, 223888), (1736, 151924), (1999, 131936), (2128, 123938), (2356, 111944), (3472, 75962), (3998, 65968), (4123, 63968), (4256, 61969), (4712, 55972), (6944, 37981), (7996, 32984), (8246, 31984), (9424, 27986), (13993, 18848), (15992, 16492)]