489603940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{9907}}^1$

素因数の和:10276

約数の個数: 48

約数和(自身を含む): 1178497152

約数和(自身を除く): 688893212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 2471, 3530, 4942, 7060, 9884, 9907, 12355, 19814, 24710, 39628, 49420, 49535, 69349, 99070, 138698, 198140, 277396, 346745, 693490, 1386980, 3497171, 6994342, 13988684, 17485855, 24480197, 34971710, 48960394, 69943420, 97920788, 122400985, 244801970, 489603940]

約数ペア:

[(1, 489603940), (2, 244801970), (4, 122400985), (5, 97920788), (7, 69943420), (10, 48960394), (14, 34971710), (20, 24480197), (28, 17485855), (35, 13988684), (70, 6994342), (140, 3497171), (353, 1386980), (706, 693490), (1412, 346745), (1765, 277396), (2471, 198140), (3530, 138698), (4942, 99070), (7060, 69349), (9884, 49535), (9907, 49420), (12355, 39628), (19814, 24710)]