438630190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 839185920

約数和(自身を除く): 400555730

約数列:

[1, 2, 5, 10, 37, 59, 71, 74, 118, 142, 185, 283, 295, 355, 370, 566, 590, 710, 1415, 2183, 2627, 2830, 4189, 4366, 5254, 8378, 10471, 10915, 13135, 16697, 20093, 20942, 20945, 21830, 26270, 33394, 40186, 41890, 52355, 83485, 100465, 104710, 154993, 166970, 200930, 309986, 617789, 743441, 774965, 1185487, 1235578, 1486882, 1549930, 2370974, 3088945, 3717205, 5927435, 6177890, 7434410, 11854870, 43863019, 87726038, 219315095, 438630190]

約数ペア:

[(1, 438630190), (2, 219315095), (5, 87726038), (10, 43863019), (37, 11854870), (59, 7434410), (71, 6177890), (74, 5927435), (118, 3717205), (142, 3088945), (185, 2370974), (283, 1549930), (295, 1486882), (355, 1235578), (370, 1185487), (566, 774965), (590, 743441), (710, 617789), (1415, 309986), (2183, 200930), (2627, 166970), (2830, 154993), (4189, 104710), (4366, 100465), (5254, 83485), (8378, 52355), (10471, 41890), (10915, 40186), (13135, 33394), (16697, 26270), (20093, 21830), (20942, 20945)]