493800440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{251939}}^1$

素因数の和:251964

約数の個数: 48

約数和(自身を含む): 1292452200

約数和(自身を除く): 798651760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 251939, 503878, 1007756, 1259695, 1763573, 2015512, 2519390, 3527146, 5038780, 7054292, 8817865, 10077560, 12345011, 14108584, 17635730, 24690022, 35271460, 49380044, 61725055, 70542920, 98760088, 123450110, 246900220, 493800440]

約数ペア:

[(1, 493800440), (2, 246900220), (4, 123450110), (5, 98760088), (7, 70542920), (8, 61725055), (10, 49380044), (14, 35271460), (20, 24690022), (28, 17635730), (35, 14108584), (40, 12345011), (49, 10077560), (56, 8817865), (70, 7054292), (98, 5038780), (140, 3527146), (196, 2519390), (245, 2015512), (280, 1763573), (392, 1259695), (490, 1007756), (980, 503878), (1960, 251939)]