1240460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1$

素因数の和:402

約数の個数: 36

約数和(自身を含む): 2828448

約数和(自身を除く): 1587988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 367, 676, 734, 845, 1468, 1690, 1835, 3380, 3670, 4771, 7340, 9542, 19084, 23855, 47710, 62023, 95420, 124046, 248092, 310115, 620230, 1240460]

約数ペア:

[(1, 1240460), (2, 620230), (4, 310115), (5, 248092), (10, 124046), (13, 95420), (20, 62023), (26, 47710), (52, 23855), (65, 19084), (130, 9542), (169, 7340), (260, 4771), (338, 3670), (367, 3380), (676, 1835), (734, 1690), (845, 1468)]