198928840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1843

約数の個数: 96

約数和(自身を含む): 513656640

約数和(自身を除く): 314727800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 605, 920, 968, 1012, 1210, 1265, 1787, 2024, 2420, 2530, 2783, 3574, 4840, 5060, 5566, 7148, 8935, 10120, 11132, 13915, 14296, 17870, 19657, 22264, 27830, 35740, 39314, 41101, 55660, 71480, 78628, 82202, 98285, 111320, 157256, 164404, 196570, 205505, 216227, 328808, 393140, 411010, 432454, 452111, 786280, 822020, 864908, 904222, 1081135, 1644040, 1729816, 1808444, 2162270, 2260555, 3616888, 4324540, 4521110, 4973221, 8649080, 9042220, 9946442, 18084440, 19892884, 24866105, 39785768, 49732210, 99464420, 198928840]

約数ペア:

[(1, 198928840), (2, 99464420), (4, 49732210), (5, 39785768), (8, 24866105), (10, 19892884), (11, 18084440), (20, 9946442), (22, 9042220), (23, 8649080), (40, 4973221), (44, 4521110), (46, 4324540), (55, 3616888), (88, 2260555), (92, 2162270), (110, 1808444), (115, 1729816), (121, 1644040), (184, 1081135), (220, 904222), (230, 864908), (242, 822020), (253, 786280), (440, 452111), (460, 432454), (484, 411010), (506, 393140), (605, 328808), (920, 216227), (968, 205505), (1012, 196570), (1210, 164404), (1265, 157256), (1787, 111320), (2024, 98285), (2420, 82202), (2530, 78628), (2783, 71480), (3574, 55660), (4840, 41101), (5060, 39314), (5566, 35740), (7148, 27830), (8935, 22264), (10120, 19657), (11132, 17870), (13915, 14296)]