659382020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{11941}}^1$

素因数の和:12212

約数の個数: 48

約数和(自身を含む): 1516729536

約数和(自身を除く): 857347516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 11044, 11941, 13805, 23882, 27610, 47764, 55220, 59705, 119410, 131351, 238820, 262702, 525404, 656755, 1313510, 2627020, 2997191, 5994382, 11988764, 14985955, 29971910, 32969101, 59943820, 65938202, 131876404, 164845505, 329691010, 659382020]

約数ペア:

[(1, 659382020), (2, 329691010), (4, 164845505), (5, 131876404), (10, 65938202), (11, 59943820), (20, 32969101), (22, 29971910), (44, 14985955), (55, 11988764), (110, 5994382), (220, 2997191), (251, 2627020), (502, 1313510), (1004, 656755), (1255, 525404), (2510, 262702), (2761, 238820), (5020, 131351), (5522, 119410), (11044, 59705), (11941, 55220), (13805, 47764), (23882, 27610)]