388669568

素因数分解:

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

素因数の和:2058

約数の個数: 96

約数和(自身を含む): 930240000

約数和(自身を除く): 541570432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 896, 992, 1519, 1568, 1736, 1984, 1999, 3038, 3136, 3472, 3968, 3998, 6076, 6272, 6944, 7996, 12152, 13888, 13993, 15992, 24304, 27776, 27986, 31984, 48608, 55972, 61969, 63968, 97216, 97951, 111944, 123938, 127936, 194432, 195902, 223888, 247876, 255872, 391804, 433783, 447776, 495752, 783608, 867566, 895552, 991504, 1567216, 1735132, 1791104, 1983008, 3036481, 3134432, 3470264, 3966016, 6072962, 6268864, 6940528, 7932032, 12145924, 12537728, 13881056, 24291848, 27762112, 48583696, 55524224, 97167392, 194334784, 388669568]

約数ペア:

[(1, 388669568), (2, 194334784), (4, 97167392), (7, 55524224), (8, 48583696), (14, 27762112), (16, 24291848), (28, 13881056), (31, 12537728), (32, 12145924), (49, 7932032), (56, 6940528), (62, 6268864), (64, 6072962), (98, 3966016), (112, 3470264), (124, 3134432), (128, 3036481), (196, 1983008), (217, 1791104), (224, 1735132), (248, 1567216), (392, 991504), (434, 895552), (448, 867566), (496, 783608), (784, 495752), (868, 447776), (896, 433783), (992, 391804), (1519, 255872), (1568, 247876), (1736, 223888), (1984, 195902), (1999, 194432), (3038, 127936), (3136, 123938), (3472, 111944), (3968, 97951), (3998, 97216), (6076, 63968), (6272, 61969), (6944, 55972), (7996, 48608), (12152, 31984), (13888, 27986), (13993, 27776), (15992, 24304)]