About the Number

138787728

138787727 ← → 138787729

2進数表記:1000010001011011101110010000

漢数字表記:一億三千八百七十八万七千七百二十八

素因数分解:

2 4 × 3 1 × 17 1 × 283 1 × 601 1

素因数の和:912
約数の個数: 80
約数和(自身を含む): 381600576
約数和(自身を除く): 242812848

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 283, 408, 566, 601, 816, 849, 1132, 1202, 1698, 1803, 2264, 2404, 3396, 3606, 4528, 4808, 4811, 6792, 7212, 9616, 9622, 10217, 13584, 14424, 14433, 19244, 20434, 28848, 28866, 30651, 38488, 40868, 57732, 61302, 76976, 81736, 115464, 122604, 163472, 170083, 230928, 245208, 340166, 490416, 510249, 680332, 1020498, 1360664, 2040996, 2721328, 2891411, 4081992, 5782822, 8163984, 8674233, 11565644, 17348466, 23131288, 34696932, 46262576, 69393864, 138787728]

約数ペア:
[(1, 138787728), (2, 69393864), (3, 46262576), (4, 34696932), (6, 23131288), (8, 17348466), (12, 11565644), (16, 8674233), (17, 8163984), (24, 5782822), (34, 4081992), (48, 2891411), (51, 2721328), (68, 2040996), (102, 1360664), (136, 1020498), (204, 680332), (272, 510249), (283, 490416), (408, 340166), (566, 245208), (601, 230928), (816, 170083), (849, 163472), (1132, 122604), (1202, 115464), (1698, 81736), (1803, 76976), (2264, 61302), (2404, 57732), (3396, 40868), (3606, 38488), (4528, 30651), (4808, 28866), (4811, 28848), (6792, 20434), (7212, 19244), (9616, 14433), (9622, 14424), (10217, 13584)]

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