1947980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 4121712

約数和(自身を除く): 2173732

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 563, 692, 865, 1126, 1730, 2252, 2815, 3460, 5630, 11260, 97399, 194798, 389596, 486995, 973990, 1947980]

約数ペア:

[(1, 1947980), (2, 973990), (4, 486995), (5, 389596), (10, 194798), (20, 97399), (173, 11260), (346, 5630), (563, 3460), (692, 2815), (865, 2252), (1126, 1730)]