18340700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 108

約数和(自身を含む): 48981240

約数和(自身を除く): 30640540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 140, 175, 190, 196, 197, 245, 266, 350, 380, 394, 475, 490, 532, 665, 700, 788, 931, 950, 980, 985, 1225, 1330, 1379, 1862, 1900, 1970, 2450, 2660, 2758, 3325, 3724, 3743, 3940, 4655, 4900, 4925, 5516, 6650, 6895, 7486, 9310, 9653, 9850, 13300, 13790, 14972, 18620, 18715, 19306, 19700, 23275, 26201, 27580, 34475, 37430, 38612, 46550, 48265, 52402, 68950, 74860, 93100, 93575, 96530, 104804, 131005, 137900, 183407, 187150, 193060, 241325, 262010, 366814, 374300, 482650, 524020, 655025, 733628, 917035, 965300, 1310050, 1834070, 2620100, 3668140, 4585175, 9170350, 18340700]

約数ペア:

[(1, 18340700), (2, 9170350), (4, 4585175), (5, 3668140), (7, 2620100), (10, 1834070), (14, 1310050), (19, 965300), (20, 917035), (25, 733628), (28, 655025), (35, 524020), (38, 482650), (49, 374300), (50, 366814), (70, 262010), (76, 241325), (95, 193060), (98, 187150), (100, 183407), (133, 137900), (140, 131005), (175, 104804), (190, 96530), (196, 93575), (197, 93100), (245, 74860), (266, 68950), (350, 52402), (380, 48265), (394, 46550), (475, 38612), (490, 37430), (532, 34475), (665, 27580), (700, 26201), (788, 23275), (931, 19700), (950, 19306), (980, 18715), (985, 18620), (1225, 14972), (1330, 13790), (1379, 13300), (1862, 9850), (1900, 9653), (1970, 9310), (2450, 7486), (2660, 6895), (2758, 6650), (3325, 5516), (3724, 4925), (3743, 4900), (3940, 4655)]