204808660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6121}}^1$

素因数の和:6376

約数の個数: 48

約数和(自身を含む): 493678080

約数和(自身を除く): 288869420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6121, 6692, 8365, 12242, 16730, 24484, 30605, 33460, 42847, 61210, 85694, 122420, 171388, 214235, 428470, 856940, 1462919, 2925838, 5851676, 7314595, 10240433, 14629190, 20480866, 29258380, 40961732, 51202165, 102404330, 204808660]

約数ペア:

[(1, 204808660), (2, 102404330), (4, 51202165), (5, 40961732), (7, 29258380), (10, 20480866), (14, 14629190), (20, 10240433), (28, 7314595), (35, 5851676), (70, 2925838), (140, 1462919), (239, 856940), (478, 428470), (956, 214235), (1195, 171388), (1673, 122420), (2390, 85694), (3346, 61210), (4780, 42847), (6121, 33460), (6692, 30605), (8365, 24484), (12242, 16730)]