209921130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{38237}}^1$

素因数の和:38311

約数の個数: 48

約数和(自身を含む): 554756904

約数和(自身を除く): 344835774

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 38237, 76474, 114711, 191185, 229422, 344133, 382370, 573555, 688266, 1147110, 1720665, 2332457, 3441330, 4664914, 6997371, 11662285, 13994742, 20992113, 23324570, 34986855, 41984226, 69973710, 104960565, 209921130]

約数ペア:

[(1, 209921130), (2, 104960565), (3, 69973710), (5, 41984226), (6, 34986855), (9, 23324570), (10, 20992113), (15, 13994742), (18, 11662285), (30, 6997371), (45, 4664914), (61, 3441330), (90, 2332457), (122, 1720665), (183, 1147110), (305, 688266), (366, 573555), (549, 382370), (610, 344133), (915, 229422), (1098, 191185), (1830, 114711), (2745, 76474), (5490, 38237)]