286258180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{57947}}^1$

素因数の和:57988

約数の個数: 48

約数和(自身を含む): 681468480

約数和(自身を除く): 395210300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 57947, 115894, 231788, 289735, 579470, 753311, 1100993, 1158940, 1506622, 2201986, 3013244, 3766555, 4403972, 5504965, 7533110, 11009930, 14312909, 15066220, 22019860, 28625818, 57251636, 71564545, 143129090, 286258180]

約数ペア:

[(1, 286258180), (2, 143129090), (4, 71564545), (5, 57251636), (10, 28625818), (13, 22019860), (19, 15066220), (20, 14312909), (26, 11009930), (38, 7533110), (52, 5504965), (65, 4403972), (76, 3766555), (95, 3013244), (130, 2201986), (190, 1506622), (247, 1158940), (260, 1100993), (380, 753311), (494, 579470), (988, 289735), (1235, 231788), (2470, 115894), (4940, 57947)]