30690800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 85890336

約数和(自身を除く): 55199536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 112, 113, 140, 175, 194, 200, 226, 280, 350, 388, 400, 452, 485, 560, 565, 679, 700, 776, 791, 904, 970, 1130, 1358, 1400, 1552, 1582, 1808, 1940, 2260, 2425, 2716, 2800, 2825, 3164, 3395, 3880, 3955, 4520, 4850, 5432, 5650, 6328, 6790, 7760, 7910, 9040, 9700, 10864, 10961, 11300, 12656, 13580, 15820, 16975, 19400, 19775, 21922, 22600, 27160, 31640, 33950, 38800, 39550, 43844, 45200, 54320, 54805, 63280, 67900, 76727, 79100, 87688, 109610, 135800, 153454, 158200, 175376, 219220, 271600, 274025, 306908, 316400, 383635, 438440, 548050, 613816, 767270, 876880, 1096100, 1227632, 1534540, 1918175, 2192200, 3069080, 3836350, 4384400, 6138160, 7672700, 15345400, 30690800]

約数ペア:

[(1, 30690800), (2, 15345400), (4, 7672700), (5, 6138160), (7, 4384400), (8, 3836350), (10, 3069080), (14, 2192200), (16, 1918175), (20, 1534540), (25, 1227632), (28, 1096100), (35, 876880), (40, 767270), (50, 613816), (56, 548050), (70, 438440), (80, 383635), (97, 316400), (100, 306908), (112, 274025), (113, 271600), (140, 219220), (175, 175376), (194, 158200), (200, 153454), (226, 135800), (280, 109610), (350, 87688), (388, 79100), (400, 76727), (452, 67900), (485, 63280), (560, 54805), (565, 54320), (679, 45200), (700, 43844), (776, 39550), (791, 38800), (904, 33950), (970, 31640), (1130, 27160), (1358, 22600), (1400, 21922), (1552, 19775), (1582, 19400), (1808, 16975), (1940, 15820), (2260, 13580), (2425, 12656), (2716, 11300), (2800, 10961), (2825, 10864), (3164, 9700), (3395, 9040), (3880, 7910), (3955, 7760), (4520, 6790), (4850, 6328), (5432, 5650)]