About the Number

121949908

121949907 ← → 121949909

2進数表記:111010001001100111011010100

漢数字表記:一億二千百九十四万九千九百八

素因数分解:

2 2 × 17 2 × 31 1 × 41 1 × 83 1

素因数の和:193
約数の個数: 72
約数和(自身を含む): 242613504
約数和(自身を除く): 120663596

約数列:
[1, 2, 4, 17, 31, 34, 41, 62, 68, 82, 83, 124, 164, 166, 289, 332, 527, 578, 697, 1054, 1156, 1271, 1394, 1411, 2108, 2542, 2573, 2788, 2822, 3403, 5084, 5146, 5644, 6806, 8959, 10292, 11849, 13612, 17918, 21607, 23698, 23987, 35836, 43214, 43741, 47396, 47974, 57851, 86428, 87482, 95948, 105493, 115702, 174964, 210986, 231404, 367319, 421972, 734638, 743597, 983467, 1469276, 1487194, 1793381, 1966934, 2974388, 3586762, 3933868, 7173524, 30487477, 60974954, 121949908]

約数ペア:
[(1, 121949908), (2, 60974954), (4, 30487477), (17, 7173524), (31, 3933868), (34, 3586762), (41, 2974388), (62, 1966934), (68, 1793381), (82, 1487194), (83, 1469276), (124, 983467), (164, 743597), (166, 734638), (289, 421972), (332, 367319), (527, 231404), (578, 210986), (697, 174964), (1054, 115702), (1156, 105493), (1271, 95948), (1394, 87482), (1411, 86428), (2108, 57851), (2542, 47974), (2573, 47396), (2788, 43741), (2822, 43214), (3403, 35836), (5084, 23987), (5146, 23698), (5644, 21607), (6806, 17918), (8959, 13612), (10292, 11849)]

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