31173940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5431}}^1$

素因数の和:5488

約数の個数: 48

約数和(自身を含む): 76656384

約数和(自身を除く): 45482444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5431, 5740, 10862, 21724, 27155, 38017, 54310, 76034, 108620, 152068, 190085, 222671, 380170, 445342, 760340, 890684, 1113355, 1558697, 2226710, 3117394, 4453420, 6234788, 7793485, 15586970, 31173940]

約数ペア:

[(1, 31173940), (2, 15586970), (4, 7793485), (5, 6234788), (7, 4453420), (10, 3117394), (14, 2226710), (20, 1558697), (28, 1113355), (35, 890684), (41, 760340), (70, 445342), (82, 380170), (140, 222671), (164, 190085), (205, 152068), (287, 108620), (410, 76034), (574, 54310), (820, 38017), (1148, 27155), (1435, 21724), (2870, 10862), (5431, 5740)]