About the Number

388289790

388289789 ← → 388289791

2進数表記:10111001001001101010011111110

漢数字表記:三億八千八百二十八万九千七百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 67 1 × 9199 1

素因数の和:9286
約数の個数: 96
約数和(自身を含む): 1171123200
約数和(自身を除く): 782833410

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 67, 70, 90, 105, 126, 134, 201, 210, 315, 335, 402, 469, 603, 630, 670, 938, 1005, 1206, 1407, 2010, 2345, 2814, 3015, 4221, 4690, 6030, 7035, 8442, 9199, 14070, 18398, 21105, 27597, 42210, 45995, 55194, 64393, 82791, 91990, 128786, 137985, 165582, 193179, 275970, 321965, 386358, 413955, 579537, 616333, 643930, 827910, 965895, 1159074, 1232666, 1848999, 1931790, 2897685, 3081665, 3697998, 4314331, 5546997, 5795370, 6163330, 8628662, 9244995, 11093994, 12942993, 18489990, 21571655, 25885986, 27734985, 38828979, 43143310, 55469970, 64714965, 77657958, 129429930, 194144895, 388289790]

約数ペア:
[(1, 388289790), (2, 194144895), (3, 129429930), (5, 77657958), (6, 64714965), (7, 55469970), (9, 43143310), (10, 38828979), (14, 27734985), (15, 25885986), (18, 21571655), (21, 18489990), (30, 12942993), (35, 11093994), (42, 9244995), (45, 8628662), (63, 6163330), (67, 5795370), (70, 5546997), (90, 4314331), (105, 3697998), (126, 3081665), (134, 2897685), (201, 1931790), (210, 1848999), (315, 1232666), (335, 1159074), (402, 965895), (469, 827910), (603, 643930), (630, 616333), (670, 579537), (938, 413955), (1005, 386358), (1206, 321965), (1407, 275970), (2010, 193179), (2345, 165582), (2814, 137985), (3015, 128786), (4221, 91990), (4690, 82791), (6030, 64393), (7035, 55194), (8442, 45995), (9199, 42210), (14070, 27597), (18398, 21105)]

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