304880920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{185903}}^1$

素因数の和:185955

約数の個数: 32

約数和(自身を含む): 702717120

約数和(自身を除く): 397836200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 185903, 371806, 743612, 929515, 1487224, 1859030, 3718060, 7436120, 7622023, 15244046, 30488092, 38110115, 60976184, 76220230, 152440460, 304880920]

約数ペア:

[(1, 304880920), (2, 152440460), (4, 76220230), (5, 60976184), (8, 38110115), (10, 30488092), (20, 15244046), (40, 7622023), (41, 7436120), (82, 3718060), (164, 1859030), (205, 1487224), (328, 929515), (410, 743612), (820, 371806), (1640, 185903)]