231857560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 609638400

約数和(自身を除く): 377780840

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 139, 170, 187, 220, 223, 278, 340, 374, 440, 446, 556, 680, 695, 748, 892, 935, 1112, 1115, 1390, 1496, 1529, 1784, 1870, 2230, 2363, 2453, 2780, 3058, 3740, 3791, 4460, 4726, 4906, 5560, 6116, 7480, 7582, 7645, 8920, 9452, 9812, 11815, 12232, 12265, 15164, 15290, 18904, 18955, 19624, 23630, 24530, 25993, 30328, 30580, 30997, 37910, 41701, 47260, 49060, 51986, 61160, 61994, 75820, 83402, 94520, 98120, 103972, 123988, 129965, 151640, 154985, 166804, 207944, 208505, 247976, 259930, 309970, 333608, 340967, 417010, 519860, 526949, 619940, 681934, 834020, 1039720, 1053898, 1239880, 1363868, 1668040, 1704835, 2107796, 2634745, 2727736, 3409670, 4215592, 5269490, 5796439, 6819340, 10538980, 11592878, 13638680, 21077960, 23185756, 28982195, 46371512, 57964390, 115928780, 231857560]

約数ペア:

[(1, 231857560), (2, 115928780), (4, 57964390), (5, 46371512), (8, 28982195), (10, 23185756), (11, 21077960), (17, 13638680), (20, 11592878), (22, 10538980), (34, 6819340), (40, 5796439), (44, 5269490), (55, 4215592), (68, 3409670), (85, 2727736), (88, 2634745), (110, 2107796), (136, 1704835), (139, 1668040), (170, 1363868), (187, 1239880), (220, 1053898), (223, 1039720), (278, 834020), (340, 681934), (374, 619940), (440, 526949), (446, 519860), (556, 417010), (680, 340967), (695, 333608), (748, 309970), (892, 259930), (935, 247976), (1112, 208505), (1115, 207944), (1390, 166804), (1496, 154985), (1529, 151640), (1784, 129965), (1870, 123988), (2230, 103972), (2363, 98120), (2453, 94520), (2780, 83402), (3058, 75820), (3740, 61994), (3791, 61160), (4460, 51986), (4726, 49060), (4906, 47260), (5560, 41701), (6116, 37910), (7480, 30997), (7582, 30580), (7645, 30328), (8920, 25993), (9452, 24530), (9812, 23630), (11815, 19624), (12232, 18955), (12265, 18904), (15164, 15290)]