722385220

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 1533184128

約数和(自身を除く): 810798908

約数列:

[1, 2, 4, 5, 10, 20, 167, 313, 334, 626, 668, 691, 835, 1252, 1382, 1565, 1670, 2764, 3130, 3340, 3455, 6260, 6910, 13820, 52271, 104542, 115397, 209084, 216283, 230794, 261355, 432566, 461588, 522710, 576985, 865132, 1045420, 1081415, 1153970, 2162830, 2307940, 4325660, 36119261, 72238522, 144477044, 180596305, 361192610, 722385220]

約数ペア:

[(1, 722385220), (2, 361192610), (4, 180596305), (5, 144477044), (10, 72238522), (20, 36119261), (167, 4325660), (313, 2307940), (334, 2162830), (626, 1153970), (668, 1081415), (691, 1045420), (835, 865132), (1252, 576985), (1382, 522710), (1565, 461588), (1670, 432566), (2764, 261355), (3130, 230794), (3340, 216283), (3455, 209084), (6260, 115397), (6910, 104542), (13820, 52271)]