About the Number

210989880

210989879 ← → 210989881

2進数表記:1100100100110111001100111000

漢数字表記:二億千九十八万九千八百八十

素因数分解:

2 3 × 3 3 × 5 1 × 347 1 × 563 1

素因数の和:930
約数の個数: 128
約数和(自身を含む): 706579200
約数和(自身を除く): 495589320

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 347, 360, 540, 563, 694, 1041, 1080, 1126, 1388, 1689, 1735, 2082, 2252, 2776, 2815, 3123, 3378, 3470, 4164, 4504, 5067, 5205, 5630, 6246, 6756, 6940, 8328, 8445, 9369, 10134, 10410, 11260, 12492, 13512, 13880, 15201, 15615, 16890, 18738, 20268, 20820, 22520, 24984, 25335, 30402, 31230, 33780, 37476, 40536, 41640, 46845, 50670, 60804, 62460, 67560, 74952, 76005, 93690, 101340, 121608, 124920, 152010, 187380, 195361, 202680, 304020, 374760, 390722, 586083, 608040, 781444, 976805, 1172166, 1562888, 1758249, 1953610, 2344332, 2930415, 3516498, 3907220, 4688664, 5274747, 5860830, 7032996, 7814440, 8791245, 10549494, 11721660, 14065992, 17582490, 21098988, 23443320, 26373735, 35164980, 42197976, 52747470, 70329960, 105494940, 210989880]

約数ペア:
[(1, 210989880), (2, 105494940), (3, 70329960), (4, 52747470), (5, 42197976), (6, 35164980), (8, 26373735), (9, 23443320), (10, 21098988), (12, 17582490), (15, 14065992), (18, 11721660), (20, 10549494), (24, 8791245), (27, 7814440), (30, 7032996), (36, 5860830), (40, 5274747), (45, 4688664), (54, 3907220), (60, 3516498), (72, 2930415), (90, 2344332), (108, 1953610), (120, 1758249), (135, 1562888), (180, 1172166), (216, 976805), (270, 781444), (347, 608040), (360, 586083), (540, 390722), (563, 374760), (694, 304020), (1041, 202680), (1080, 195361), (1126, 187380), (1388, 152010), (1689, 124920), (1735, 121608), (2082, 101340), (2252, 93690), (2776, 76005), (2815, 74952), (3123, 67560), (3378, 62460), (3470, 60804), (4164, 50670), (4504, 46845), (5067, 41640), (5205, 40536), (5630, 37476), (6246, 33780), (6756, 31230), (6940, 30402), (8328, 25335), (8445, 24984), (9369, 22520), (10134, 20820), (10410, 20268), (11260, 18738), (12492, 16890), (13512, 15615), (13880, 15201)]

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