7137980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2063}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 15083712

約数和(自身を除く): 7945732

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 2063, 3460, 4126, 8252, 10315, 20630, 41260, 356899, 713798, 1427596, 1784495, 3568990, 7137980]

約数ペア:

[(1, 7137980), (2, 3568990), (4, 1784495), (5, 1427596), (10, 713798), (20, 356899), (173, 41260), (346, 20630), (692, 10315), (865, 8252), (1730, 4126), (2063, 3460)]