197955720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{549877}}^1$

素因数の和:549894

約数の個数: 48

約数和(自身を含む): 643357260

約数和(自身を除く): 445401540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 549877, 1099754, 1649631, 2199508, 2749385, 3299262, 4399016, 4948893, 5498770, 6598524, 8248155, 9897786, 10997540, 13197048, 16496310, 19795572, 21995080, 24744465, 32992620, 39591144, 49488930, 65985240, 98977860, 197955720]

約数ペア:

[(1, 197955720), (2, 98977860), (3, 65985240), (4, 49488930), (5, 39591144), (6, 32992620), (8, 24744465), (9, 21995080), (10, 19795572), (12, 16496310), (15, 13197048), (18, 10997540), (20, 9897786), (24, 8248155), (30, 6598524), (36, 5498770), (40, 4948893), (45, 4399016), (60, 3299262), (72, 2749385), (90, 2199508), (120, 1649631), (180, 1099754), (360, 549877)]