71988910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 85604690

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 113, 133, 190, 226, 266, 479, 565, 665, 791, 958, 1130, 1330, 1582, 2147, 2395, 3353, 3955, 4294, 4790, 6706, 7910, 9101, 10735, 15029, 16765, 18202, 21470, 30058, 33530, 45505, 54127, 63707, 75145, 91010, 108254, 127414, 150290, 270635, 318535, 378889, 541270, 637070, 757778, 1028413, 1894445, 2056826, 3788890, 5142065, 7198891, 10284130, 14397782, 35994455, 71988910]

約数ペア:

[(1, 71988910), (2, 35994455), (5, 14397782), (7, 10284130), (10, 7198891), (14, 5142065), (19, 3788890), (35, 2056826), (38, 1894445), (70, 1028413), (95, 757778), (113, 637070), (133, 541270), (190, 378889), (226, 318535), (266, 270635), (479, 150290), (565, 127414), (665, 108254), (791, 91010), (958, 75145), (1130, 63707), (1330, 54127), (1582, 45505), (2147, 33530), (2395, 30058), (3353, 21470), (3955, 18202), (4294, 16765), (4790, 15029), (6706, 10735), (7910, 9101)]