9890820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{54949}}^1$

素因数の和:54964

約数の個数: 36

約数和(自身を含む): 30002700

約数和(自身を除く): 20111880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 54949, 109898, 164847, 219796, 274745, 329694, 494541, 549490, 659388, 824235, 989082, 1098980, 1648470, 1978164, 2472705, 3296940, 4945410, 9890820]

約数ペア:

[(1, 9890820), (2, 4945410), (3, 3296940), (4, 2472705), (5, 1978164), (6, 1648470), (9, 1098980), (10, 989082), (12, 824235), (15, 659388), (18, 549490), (20, 494541), (30, 329694), (36, 274745), (45, 219796), (60, 164847), (90, 109898), (180, 54949)]