30813020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2269}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 74746560

約数和(自身を除く): 43933540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2269, 2716, 3395, 4538, 6790, 9076, 11345, 13580, 15883, 22690, 31766, 45380, 63532, 79415, 158830, 220093, 317660, 440186, 880372, 1100465, 1540651, 2200930, 3081302, 4401860, 6162604, 7703255, 15406510, 30813020]

約数ペア:

[(1, 30813020), (2, 15406510), (4, 7703255), (5, 6162604), (7, 4401860), (10, 3081302), (14, 2200930), (20, 1540651), (28, 1100465), (35, 880372), (70, 440186), (97, 317660), (140, 220093), (194, 158830), (388, 79415), (485, 63532), (679, 45380), (970, 31766), (1358, 22690), (1940, 15883), (2269, 13580), (2716, 11345), (3395, 9076), (4538, 6790)]