3800440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{277}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 10008000

約数和(自身を除く): 6207560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 277, 280, 343, 392, 490, 554, 686, 980, 1108, 1372, 1385, 1715, 1939, 1960, 2216, 2744, 2770, 3430, 3878, 5540, 6860, 7756, 9695, 11080, 13573, 13720, 15512, 19390, 27146, 38780, 54292, 67865, 77560, 95011, 108584, 135730, 190022, 271460, 380044, 475055, 542920, 760088, 950110, 1900220, 3800440]

約数ペア:

[(1, 3800440), (2, 1900220), (4, 950110), (5, 760088), (7, 542920), (8, 475055), (10, 380044), (14, 271460), (20, 190022), (28, 135730), (35, 108584), (40, 95011), (49, 77560), (56, 67865), (70, 54292), (98, 38780), (140, 27146), (196, 19390), (245, 15512), (277, 13720), (280, 13573), (343, 11080), (392, 9695), (490, 7756), (554, 6860), (686, 5540), (980, 3878), (1108, 3430), (1372, 2770), (1385, 2744), (1715, 2216), (1939, 1960)]