131870032

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2064

約数の個数: 80

約数和(自身を含む): 317440000

約数和(自身を除く): 185569968

約数列:

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

約数ペア:

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