209657360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{238247}}^1$

素因数の和:238271

約数の個数: 40

約数和(自身を含む): 531769536

約数和(自身を除く): 322112176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 238247, 476494, 952988, 1191235, 1905976, 2382470, 2620717, 3811952, 4764940, 5241434, 9529880, 10482868, 13103585, 19059760, 20965736, 26207170, 41931472, 52414340, 104828680, 209657360]

約数ペア:

[(1, 209657360), (2, 104828680), (4, 52414340), (5, 41931472), (8, 26207170), (10, 20965736), (11, 19059760), (16, 13103585), (20, 10482868), (22, 9529880), (40, 5241434), (44, 4764940), (55, 3811952), (80, 2620717), (88, 2382470), (110, 1905976), (176, 1191235), (220, 952988), (440, 476494), (880, 238247)]