171297140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3719}}^1$

素因数の和:3789

約数の個数: 72

約数和(自身を含む): 427472640

約数和(自身を除く): 256175500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 3719, 4606, 6580, 7438, 9212, 11515, 14876, 18595, 23030, 26033, 37190, 46060, 52066, 74380, 104132, 130165, 174793, 182231, 260330, 349586, 364462, 520660, 699172, 728924, 873965, 911155, 1223551, 1747930, 1822310, 2447102, 3495860, 3644620, 4894204, 6117755, 8564857, 12235510, 17129714, 24471020, 34259428, 42824285, 85648570, 171297140]

約数ペア:

[(1, 171297140), (2, 85648570), (4, 42824285), (5, 34259428), (7, 24471020), (10, 17129714), (14, 12235510), (20, 8564857), (28, 6117755), (35, 4894204), (47, 3644620), (49, 3495860), (70, 2447102), (94, 1822310), (98, 1747930), (140, 1223551), (188, 911155), (196, 873965), (235, 728924), (245, 699172), (329, 520660), (470, 364462), (490, 349586), (658, 260330), (940, 182231), (980, 174793), (1316, 130165), (1645, 104132), (2303, 74380), (3290, 52066), (3719, 46060), (4606, 37190), (6580, 26033), (7438, 23030), (9212, 18595), (11515, 14876)]