About the Number

121907440

121907439 ← → 121907441

2進数表記:111010001000010100011110000

漢数字表記:一億二千百九十万七千四百四十

素因数分解:

2 4 × 5 1 × 241 1 × 6323 1

素因数の和:6577
約数の個数: 40
約数和(自身を含む): 284655888
約数和(自身を除く): 162748448

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 6323, 9640, 12646, 19280, 25292, 31615, 50584, 63230, 101168, 126460, 252920, 505840, 1523843, 3047686, 6095372, 7619215, 12190744, 15238430, 24381488, 30476860, 60953720, 121907440]

約数ペア:
[(1, 121907440), (2, 60953720), (4, 30476860), (5, 24381488), (8, 15238430), (10, 12190744), (16, 7619215), (20, 6095372), (40, 3047686), (80, 1523843), (241, 505840), (482, 252920), (964, 126460), (1205, 101168), (1928, 63230), (2410, 50584), (3856, 31615), (4820, 25292), (6323, 19280), (9640, 12646)]

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