990340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 2259684

約数和(自身を除く): 1269344

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 293, 338, 586, 676, 845, 1172, 1465, 1690, 2930, 3380, 3809, 5860, 7618, 15236, 19045, 38090, 49517, 76180, 99034, 198068, 247585, 495170, 990340]

約数ペア:

[(1, 990340), (2, 495170), (4, 247585), (5, 198068), (10, 99034), (13, 76180), (20, 49517), (26, 38090), (52, 19045), (65, 15236), (130, 7618), (169, 5860), (260, 3809), (293, 3380), (338, 2930), (586, 1690), (676, 1465), (845, 1172)]