1809140564

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1709}}^1$

素因数の和:2229

約数の個数: 72

約数和(自身を含む): 4028240160

約数和(自身を除く): 2219099596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 491, 539, 982, 1078, 1709, 1964, 2156, 3418, 3437, 5401, 6836, 6874, 10802, 11963, 13748, 18799, 21604, 23926, 24059, 37598, 37807, 47852, 48118, 75196, 75614, 83741, 96236, 131593, 151228, 167482, 263186, 264649, 334964, 526372, 529298, 839119, 921151, 1058596, 1678238, 1842302, 3356476, 3684604, 5873833, 9230309, 11747666, 18460618, 23495332, 36921236, 41116831, 64612163, 82233662, 129224326, 164467324, 258448652, 452285141, 904570282, 1809140564]

約数ペア:

[(1, 1809140564), (2, 904570282), (4, 452285141), (7, 258448652), (11, 164467324), (14, 129224326), (22, 82233662), (28, 64612163), (44, 41116831), (49, 36921236), (77, 23495332), (98, 18460618), (154, 11747666), (196, 9230309), (308, 5873833), (491, 3684604), (539, 3356476), (982, 1842302), (1078, 1678238), (1709, 1058596), (1964, 921151), (2156, 839119), (3418, 529298), (3437, 526372), (5401, 334964), (6836, 264649), (6874, 263186), (10802, 167482), (11963, 151228), (13748, 131593), (18799, 96236), (21604, 83741), (23926, 75614), (24059, 75196), (37598, 48118), (37807, 47852)]