30591860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 69955536

約数和(自身を除く): 39363676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1213, 1261, 1940, 2426, 2522, 4852, 5044, 6065, 6305, 12130, 12610, 15769, 24260, 25220, 31538, 63076, 78845, 117661, 157690, 235322, 315380, 470644, 588305, 1176610, 1529593, 2353220, 3059186, 6118372, 7647965, 15295930, 30591860]

約数ペア:

[(1, 30591860), (2, 15295930), (4, 7647965), (5, 6118372), (10, 3059186), (13, 2353220), (20, 1529593), (26, 1176610), (52, 588305), (65, 470644), (97, 315380), (130, 235322), (194, 157690), (260, 117661), (388, 78845), (485, 63076), (970, 31538), (1213, 25220), (1261, 24260), (1940, 15769), (2426, 12610), (2522, 12130), (4852, 6305), (5044, 6065)]