15677970220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{393721}}^1$

素因数の和:393922

約数の個数: 48

約数和(自身を含む): 36115331616

約数和(自身を除く): 20437361396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 39820, 393721, 787442, 1574884, 1968605, 3937210, 4330931, 7874420, 8661862, 17323724, 21654655, 43309310, 71263501, 86618620, 142527002, 285054004, 356317505, 712635010, 783898511, 1425270020, 1567797022, 3135594044, 3919492555, 7838985110, 15677970220]

約数ペア:

[(1, 15677970220), (2, 7838985110), (4, 3919492555), (5, 3135594044), (10, 1567797022), (11, 1425270020), (20, 783898511), (22, 712635010), (44, 356317505), (55, 285054004), (110, 142527002), (181, 86618620), (220, 71263501), (362, 43309310), (724, 21654655), (905, 17323724), (1810, 8661862), (1991, 7874420), (3620, 4330931), (3982, 3937210), (7964, 1968605), (9955, 1574884), (19910, 787442), (39820, 393721)]