320989984

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5058

約数の個数: 72

約数和(自身を含む): 753205068

約数和(自身を除く): 432215084

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 392, 574, 656, 784, 1148, 1312, 1568, 2009, 2296, 4018, 4592, 4993, 8036, 9184, 9986, 16072, 19972, 32144, 34951, 39944, 64288, 69902, 79888, 139804, 159776, 204713, 244657, 279608, 409426, 489314, 559216, 818852, 978628, 1118432, 1432991, 1637704, 1957256, 2865982, 3275408, 3914512, 5731964, 6550816, 7829024, 10030937, 11463928, 20061874, 22927856, 40123748, 45855712, 80247496, 160494992, 320989984]

約数ペア:

[(1, 320989984), (2, 160494992), (4, 80247496), (7, 45855712), (8, 40123748), (14, 22927856), (16, 20061874), (28, 11463928), (32, 10030937), (41, 7829024), (49, 6550816), (56, 5731964), (82, 3914512), (98, 3275408), (112, 2865982), (164, 1957256), (196, 1637704), (224, 1432991), (287, 1118432), (328, 978628), (392, 818852), (574, 559216), (656, 489314), (784, 409426), (1148, 279608), (1312, 244657), (1568, 204713), (2009, 159776), (2296, 139804), (4018, 79888), (4592, 69902), (4993, 64288), (8036, 39944), (9184, 34951), (9986, 32144), (16072, 19972)]