188398140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64081}}^1$

素因数の和:64107

約数の個数: 72

約数和(自身を含む): 613649232

約数和(自身を除く): 425251092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64081, 128162, 192243, 256324, 320405, 384486, 448567, 640810, 768972, 897134, 961215, 1281620, 1345701, 1794268, 1922430, 2242835, 2691402, 3139969, 3844860, 4485670, 5382804, 6279938, 6728505, 8971340, 9419907, 12559876, 13457010, 15699845, 18839814, 26914020, 31399690, 37679628, 47099535, 62799380, 94199070, 188398140]

約数ペア:

[(1, 188398140), (2, 94199070), (3, 62799380), (4, 47099535), (5, 37679628), (6, 31399690), (7, 26914020), (10, 18839814), (12, 15699845), (14, 13457010), (15, 12559876), (20, 9419907), (21, 8971340), (28, 6728505), (30, 6279938), (35, 5382804), (42, 4485670), (49, 3844860), (60, 3139969), (70, 2691402), (84, 2242835), (98, 1922430), (105, 1794268), (140, 1345701), (147, 1281620), (196, 961215), (210, 897134), (245, 768972), (294, 640810), (420, 448567), (490, 384486), (588, 320405), (735, 256324), (980, 192243), (1470, 128162), (2940, 64081)]