395501540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 969397632

約数和(自身を除く): 573896092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 443, 490, 886, 911, 980, 1772, 1822, 2215, 3101, 3644, 4430, 4555, 6202, 6377, 8860, 9110, 12404, 12754, 15505, 18220, 21707, 25508, 31010, 31885, 43414, 44639, 62020, 63770, 86828, 89278, 108535, 127540, 178556, 217070, 223195, 403573, 434140, 446390, 807146, 892780, 1614292, 2017865, 2825011, 4035730, 5650022, 8071460, 11300044, 14125055, 19775077, 28250110, 39550154, 56500220, 79100308, 98875385, 197750770, 395501540]

約数ペア:

[(1, 395501540), (2, 197750770), (4, 98875385), (5, 79100308), (7, 56500220), (10, 39550154), (14, 28250110), (20, 19775077), (28, 14125055), (35, 11300044), (49, 8071460), (70, 5650022), (98, 4035730), (140, 2825011), (196, 2017865), (245, 1614292), (443, 892780), (490, 807146), (886, 446390), (911, 434140), (980, 403573), (1772, 223195), (1822, 217070), (2215, 178556), (3101, 127540), (3644, 108535), (4430, 89278), (4555, 86828), (6202, 63770), (6377, 62020), (8860, 44639), (9110, 43414), (12404, 31885), (12754, 31010), (15505, 25508), (18220, 21707)]