31780404

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 87024000

約数和(自身を除く): 55243596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 73, 87, 108, 116, 139, 146, 174, 219, 261, 278, 292, 348, 417, 438, 522, 556, 657, 783, 834, 876, 1044, 1251, 1314, 1566, 1668, 1971, 2117, 2502, 2628, 3132, 3753, 3942, 4031, 4234, 5004, 6351, 7506, 7884, 8062, 8468, 10147, 12093, 12702, 15012, 16124, 19053, 20294, 24186, 25404, 30441, 36279, 38106, 40588, 48372, 57159, 60882, 72558, 76212, 91323, 108837, 114318, 121764, 145116, 182646, 217674, 228636, 273969, 294263, 365292, 435348, 547938, 588526, 882789, 1095876, 1177052, 1765578, 2648367, 3531156, 5296734, 7945101, 10593468, 15890202, 31780404]

約数ペア:

[(1, 31780404), (2, 15890202), (3, 10593468), (4, 7945101), (6, 5296734), (9, 3531156), (12, 2648367), (18, 1765578), (27, 1177052), (29, 1095876), (36, 882789), (54, 588526), (58, 547938), (73, 435348), (87, 365292), (108, 294263), (116, 273969), (139, 228636), (146, 217674), (174, 182646), (219, 145116), (261, 121764), (278, 114318), (292, 108837), (348, 91323), (417, 76212), (438, 72558), (522, 60882), (556, 57159), (657, 48372), (783, 40588), (834, 38106), (876, 36279), (1044, 30441), (1251, 25404), (1314, 24186), (1566, 20294), (1668, 19053), (1971, 16124), (2117, 15012), (2502, 12702), (2628, 12093), (3132, 10147), (3753, 8468), (3942, 8062), (4031, 7884), (4234, 7506), (5004, 6351)]