2940490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 6537672

約数和(自身を除く): 3597182

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 353, 490, 595, 706, 833, 1190, 1666, 1765, 2471, 3530, 4165, 4942, 6001, 8330, 12002, 12355, 17297, 24710, 30005, 34594, 42007, 60010, 84014, 86485, 172970, 210035, 294049, 420070, 588098, 1470245, 2940490]

約数ペア:

[(1, 2940490), (2, 1470245), (5, 588098), (7, 420070), (10, 294049), (14, 210035), (17, 172970), (34, 86485), (35, 84014), (49, 60010), (70, 42007), (85, 34594), (98, 30005), (119, 24710), (170, 17297), (238, 12355), (245, 12002), (353, 8330), (490, 6001), (595, 4942), (706, 4165), (833, 3530), (1190, 2471), (1666, 1765)]