398332760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29033}}^1$

素因数の和:29065

約数の個数: 64

約数和(自身を含む): 1045224000

約数和(自身を除く): 646891240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 29033, 58066, 116132, 145165, 203231, 232264, 290330, 406462, 580660, 812924, 1016155, 1161320, 1422617, 1625848, 2032310, 2845234, 4064620, 5690468, 7113085, 8129240, 9958319, 11380936, 14226170, 19916638, 28452340, 39833276, 49791595, 56904680, 79666552, 99583190, 199166380, 398332760]

約数ペア:

[(1, 398332760), (2, 199166380), (4, 99583190), (5, 79666552), (7, 56904680), (8, 49791595), (10, 39833276), (14, 28452340), (20, 19916638), (28, 14226170), (35, 11380936), (40, 9958319), (49, 8129240), (56, 7113085), (70, 5690468), (98, 4064620), (140, 2845234), (196, 2032310), (245, 1625848), (280, 1422617), (343, 1161320), (392, 1016155), (490, 812924), (686, 580660), (980, 406462), (1372, 290330), (1715, 232264), (1960, 203231), (2744, 145165), (3430, 116132), (6860, 58066), (13720, 29033)]