13678840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 35928000

約数和(自身を除く): 22249160

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, 997, 1372, 1715, 1960, 1994, 2744, 3430, 3988, 4985, 6860, 6979, 7976, 9970, 13720, 13958, 19940, 27916, 34895, 39880, 48853, 55832, 69790, 97706, 139580, 195412, 244265, 279160, 341971, 390824, 488530, 683942, 977060, 1367884, 1709855, 1954120, 2735768, 3419710, 6839420, 13678840]

約数ペア:

[(1, 13678840), (2, 6839420), (4, 3419710), (5, 2735768), (7, 1954120), (8, 1709855), (10, 1367884), (14, 977060), (20, 683942), (28, 488530), (35, 390824), (40, 341971), (49, 279160), (56, 244265), (70, 195412), (98, 139580), (140, 97706), (196, 69790), (245, 55832), (280, 48853), (343, 39880), (392, 34895), (490, 27916), (686, 19940), (980, 13958), (997, 13720), (1372, 9970), (1715, 7976), (1960, 6979), (1994, 6860), (2744, 4985), (3430, 3988)]