71218340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 154831152

約数和(自身を除く): 83612812

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 613, 628, 740, 785, 1226, 1570, 2452, 3065, 3140, 5809, 6130, 11618, 12260, 22681, 23236, 29045, 45362, 58090, 90724, 96241, 113405, 116180, 192482, 226810, 384964, 453620, 481205, 962410, 1924820, 3560917, 7121834, 14243668, 17804585, 35609170, 71218340]

約数ペア:

[(1, 71218340), (2, 35609170), (4, 17804585), (5, 14243668), (10, 7121834), (20, 3560917), (37, 1924820), (74, 962410), (148, 481205), (157, 453620), (185, 384964), (314, 226810), (370, 192482), (613, 116180), (628, 113405), (740, 96241), (785, 90724), (1226, 58090), (1570, 45362), (2452, 29045), (3065, 23236), (3140, 22681), (5809, 12260), (6130, 11618)]