About the Number

129778308

129778307 ← → 129778309

2進数表記:111101111000100001010000100

漢数字表記:一億二千九百七十七万八千三百八

素因数分解:

2 2 × 3 3 × 11 2 × 9931 1

素因数の和:9966
約数の個数: 72
約数和(自身を含む): 369867680
約数和(自身を除く): 240089372

約数列:
[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 2178, 3267, 4356, 6534, 9931, 13068, 19862, 29793, 39724, 59586, 89379, 109241, 119172, 178758, 218482, 268137, 327723, 357516, 436964, 536274, 655446, 983169, 1072548, 1201651, 1310892, 1966338, 2403302, 2949507, 3604953, 3932676, 4806604, 5899014, 7209906, 10814859, 11798028, 14419812, 21629718, 32444577, 43259436, 64889154, 129778308]

約数ペア:
[(1, 129778308), (2, 64889154), (3, 43259436), (4, 32444577), (6, 21629718), (9, 14419812), (11, 11798028), (12, 10814859), (18, 7209906), (22, 5899014), (27, 4806604), (33, 3932676), (36, 3604953), (44, 2949507), (54, 2403302), (66, 1966338), (99, 1310892), (108, 1201651), (121, 1072548), (132, 983169), (198, 655446), (242, 536274), (297, 436964), (363, 357516), (396, 327723), (484, 268137), (594, 218482), (726, 178758), (1089, 119172), (1188, 109241), (1452, 89379), (2178, 59586), (3267, 39724), (4356, 29793), (6534, 19862), (9931, 13068)]

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