206814980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{69401}}^1$

素因数の和:69559

約数の個数: 24

約数和(自身を含む): 437232600

約数和(自身を除く): 230417620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 69401, 138802, 277604, 347005, 694010, 1388020, 10340749, 20681498, 41362996, 51703745, 103407490, 206814980]

約数ペア:

[(1, 206814980), (2, 103407490), (4, 51703745), (5, 41362996), (10, 20681498), (20, 10340749), (149, 1388020), (298, 694010), (596, 347005), (745, 277604), (1490, 138802), (2980, 69401)]