279622780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229199}}^1$

素因数の和:229269

約数の個数: 24

約数和(自身を含む): 596836800

約数和(自身を除く): 317214020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 229199, 458398, 916796, 1145995, 2291990, 4583980, 13981139, 27962278, 55924556, 69905695, 139811390, 279622780]

約数ペア:

[(1, 279622780), (2, 139811390), (4, 69905695), (5, 55924556), (10, 27962278), (20, 13981139), (61, 4583980), (122, 2291990), (244, 1145995), (305, 916796), (610, 458398), (1220, 229199)]