31323860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 70171920

約数和(自身を除く): 38848060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 509, 724, 905, 1018, 1810, 2036, 2545, 3077, 3620, 5090, 6154, 8653, 10180, 12308, 15385, 17306, 30770, 34612, 43265, 61540, 86530, 92129, 173060, 184258, 368516, 460645, 921290, 1566193, 1842580, 3132386, 6264772, 7830965, 15661930, 31323860]

約数ペア:

[(1, 31323860), (2, 15661930), (4, 7830965), (5, 6264772), (10, 3132386), (17, 1842580), (20, 1566193), (34, 921290), (68, 460645), (85, 368516), (170, 184258), (181, 173060), (340, 92129), (362, 86530), (509, 61540), (724, 43265), (905, 34612), (1018, 30770), (1810, 17306), (2036, 15385), (2545, 12308), (3077, 10180), (3620, 8653), (5090, 6154)]