218951490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317321}}^1$

素因数の和:317354

約数の個数: 32

約数和(自身を含む): 548332416

約数和(自身を除く): 329380926

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 317321, 634642, 951963, 1586605, 1903926, 3173210, 4759815, 7298383, 9519630, 14596766, 21895149, 36491915, 43790298, 72983830, 109475745, 218951490]

約数ペア:

[(1, 218951490), (2, 109475745), (3, 72983830), (5, 43790298), (6, 36491915), (10, 21895149), (15, 14596766), (23, 9519630), (30, 7298383), (46, 4759815), (69, 3173210), (115, 1903926), (138, 1586605), (230, 951963), (345, 634642), (690, 317321)]