291282170420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{831617}}^1$

素因数の和:831920

約数の個数: 48

約数和(自身を含む): 621997040448

約数和(自身を除く): 330714870028

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 211, 332, 415, 422, 830, 844, 1055, 1660, 2110, 4220, 17513, 35026, 70052, 87565, 175130, 350260, 831617, 1663234, 3326468, 4158085, 8316170, 16632340, 69024211, 138048422, 175471187, 276096844, 345121055, 350942374, 690242110, 701884748, 877355935, 1380484220, 1754711870, 3509423740, 14564108521, 29128217042, 58256434084, 72820542605, 145641085210, 291282170420]

約数ペア:

[(1, 291282170420), (2, 145641085210), (4, 72820542605), (5, 58256434084), (10, 29128217042), (20, 14564108521), (83, 3509423740), (166, 1754711870), (211, 1380484220), (332, 877355935), (415, 701884748), (422, 690242110), (830, 350942374), (844, 345121055), (1055, 276096844), (1660, 175471187), (2110, 138048422), (4220, 69024211), (17513, 16632340), (35026, 8316170), (70052, 4158085), (87565, 3326468), (175130, 1663234), (350260, 831617)]