209515860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1163977}}^1$

素因数の和:1163992

約数の個数: 36

約数和(自身を含む): 635531988

約数和(自身を除く): 426016128

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1163977, 2327954, 3491931, 4655908, 5819885, 6983862, 10475793, 11639770, 13967724, 17459655, 20951586, 23279540, 34919310, 41903172, 52378965, 69838620, 104757930, 209515860]

約数ペア:

[(1, 209515860), (2, 104757930), (3, 69838620), (4, 52378965), (5, 41903172), (6, 34919310), (9, 23279540), (10, 20951586), (12, 17459655), (15, 13967724), (18, 11639770), (20, 10475793), (30, 6983862), (36, 5819885), (45, 4655908), (60, 3491931), (90, 2327954), (180, 1163977)]