27940970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 23950870

約数列:

[1, 2, 5, 10, 43, 86, 181, 215, 359, 362, 430, 718, 905, 1795, 1810, 3590, 7783, 15437, 15566, 30874, 38915, 64979, 77185, 77830, 129958, 154370, 324895, 649790, 2794097, 5588194, 13970485, 27940970]

約数ペア:

[(1, 27940970), (2, 13970485), (5, 5588194), (10, 2794097), (43, 649790), (86, 324895), (181, 154370), (215, 129958), (359, 77830), (362, 77185), (430, 64979), (718, 38915), (905, 30874), (1795, 15566), (1810, 15437), (3590, 7783)]