About the Number

118912820

118912819 ← → 118912821

2進数表記:111000101100111011100110100

漢数字表記:一億千八百九十一万二千八百二十

素因数分解:

2 2 × 5 1 × 13 1 × 37 1 × 47 1 × 263 1

素因数の和:369
約数の個数: 96
約数和(自身を含む): 283143168
約数和(自身を除く): 164230348

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 37, 47, 52, 65, 74, 94, 130, 148, 185, 188, 235, 260, 263, 370, 470, 481, 526, 611, 740, 940, 962, 1052, 1222, 1315, 1739, 1924, 2405, 2444, 2630, 3055, 3419, 3478, 4810, 5260, 6110, 6838, 6956, 8695, 9620, 9731, 12220, 12361, 13676, 17095, 17390, 19462, 22607, 24722, 34190, 34780, 38924, 45214, 48655, 49444, 61805, 68380, 90428, 97310, 113035, 123610, 126503, 160693, 194620, 226070, 247220, 253006, 321386, 452140, 457357, 506012, 632515, 642772, 803465, 914714, 1265030, 1606930, 1829428, 2286785, 2530060, 3213860, 4573570, 5945641, 9147140, 11891282, 23782564, 29728205, 59456410, 118912820]

約数ペア:
[(1, 118912820), (2, 59456410), (4, 29728205), (5, 23782564), (10, 11891282), (13, 9147140), (20, 5945641), (26, 4573570), (37, 3213860), (47, 2530060), (52, 2286785), (65, 1829428), (74, 1606930), (94, 1265030), (130, 914714), (148, 803465), (185, 642772), (188, 632515), (235, 506012), (260, 457357), (263, 452140), (370, 321386), (470, 253006), (481, 247220), (526, 226070), (611, 194620), (740, 160693), (940, 126503), (962, 123610), (1052, 113035), (1222, 97310), (1315, 90428), (1739, 68380), (1924, 61805), (2405, 49444), (2444, 48655), (2630, 45214), (3055, 38924), (3419, 34780), (3478, 34190), (4810, 24722), (5260, 22607), (6110, 19462), (6838, 17390), (6956, 17095), (8695, 13676), (9620, 12361), (9731, 12220)]

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