29971900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 75995136

約数和(自身を除く): 46023236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 911, 940, 1175, 1316, 1645, 1822, 2350, 3290, 3644, 4555, 4700, 6377, 6580, 8225, 9110, 12754, 16450, 18220, 22775, 25508, 31885, 32900, 42817, 45550, 63770, 85634, 91100, 127540, 159425, 171268, 214085, 299719, 318850, 428170, 599438, 637700, 856340, 1070425, 1198876, 1498595, 2140850, 2997190, 4281700, 5994380, 7492975, 14985950, 29971900]

約数ペア:

[(1, 29971900), (2, 14985950), (4, 7492975), (5, 5994380), (7, 4281700), (10, 2997190), (14, 2140850), (20, 1498595), (25, 1198876), (28, 1070425), (35, 856340), (47, 637700), (50, 599438), (70, 428170), (94, 318850), (100, 299719), (140, 214085), (175, 171268), (188, 159425), (235, 127540), (329, 91100), (350, 85634), (470, 63770), (658, 45550), (700, 42817), (911, 32900), (940, 31885), (1175, 25508), (1316, 22775), (1645, 18220), (1822, 16450), (2350, 12754), (3290, 9110), (3644, 8225), (4555, 6580), (4700, 6377)]