239909390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 96

約数和(自身を含む): 537541920

約数和(自身を除く): 297632530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 73, 95, 98, 133, 146, 190, 245, 266, 353, 365, 490, 511, 665, 706, 730, 931, 1022, 1330, 1387, 1765, 1862, 2471, 2555, 2774, 3530, 3577, 4655, 4942, 5110, 6707, 6935, 7154, 9310, 9709, 12355, 13414, 13870, 17297, 17885, 19418, 24710, 25769, 33535, 34594, 35770, 46949, 48545, 51538, 67070, 67963, 86485, 93898, 97090, 128845, 135926, 172970, 180383, 234745, 257690, 328643, 339815, 360766, 469490, 489611, 657286, 679630, 901915, 979222, 1262681, 1643215, 1803830, 2448055, 2525362, 3286430, 3427277, 4896110, 6313405, 6854554, 12626810, 17136385, 23990939, 34272770, 47981878, 119954695, 239909390]

約数ペア:

[(1, 239909390), (2, 119954695), (5, 47981878), (7, 34272770), (10, 23990939), (14, 17136385), (19, 12626810), (35, 6854554), (38, 6313405), (49, 4896110), (70, 3427277), (73, 3286430), (95, 2525362), (98, 2448055), (133, 1803830), (146, 1643215), (190, 1262681), (245, 979222), (266, 901915), (353, 679630), (365, 657286), (490, 489611), (511, 469490), (665, 360766), (706, 339815), (730, 328643), (931, 257690), (1022, 234745), (1330, 180383), (1387, 172970), (1765, 135926), (1862, 128845), (2471, 97090), (2555, 93898), (2774, 86485), (3530, 67963), (3577, 67070), (4655, 51538), (4942, 48545), (5110, 46949), (6707, 35770), (6935, 34594), (7154, 33535), (9310, 25769), (9709, 24710), (12355, 19418), (13414, 17885), (13870, 17297)]