About the Number

217982340

217982339 ← → 217982341

2進数表記:1100111111100010010110000100

漢数字表記:二億千七百九十八万二千三百四十

素因数分解:

2 2 × 3 4 × 5 1 × 239 1 × 563 1

素因数の和:823
約数の個数: 120
約数和(自身を含む): 687899520
約数和(自身を除く): 469917180

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 239, 270, 324, 405, 478, 540, 563, 717, 810, 956, 1126, 1195, 1434, 1620, 1689, 2151, 2252, 2390, 2815, 2868, 3378, 3585, 4302, 4780, 5067, 5630, 6453, 6756, 7170, 8445, 8604, 10134, 10755, 11260, 12906, 14340, 15201, 16890, 19359, 20268, 21510, 25335, 25812, 30402, 32265, 33780, 38718, 43020, 45603, 50670, 60804, 64530, 76005, 77436, 91206, 96795, 101340, 129060, 134557, 152010, 182412, 193590, 228015, 269114, 304020, 387180, 403671, 456030, 538228, 672785, 807342, 912060, 1211013, 1345570, 1614684, 2018355, 2422026, 2691140, 3633039, 4036710, 4844052, 6055065, 7266078, 8073420, 10899117, 12110130, 14532156, 18165195, 21798234, 24220260, 36330390, 43596468, 54495585, 72660780, 108991170, 217982340]

約数ペア:
[(1, 217982340), (2, 108991170), (3, 72660780), (4, 54495585), (5, 43596468), (6, 36330390), (9, 24220260), (10, 21798234), (12, 18165195), (15, 14532156), (18, 12110130), (20, 10899117), (27, 8073420), (30, 7266078), (36, 6055065), (45, 4844052), (54, 4036710), (60, 3633039), (81, 2691140), (90, 2422026), (108, 2018355), (135, 1614684), (162, 1345570), (180, 1211013), (239, 912060), (270, 807342), (324, 672785), (405, 538228), (478, 456030), (540, 403671), (563, 387180), (717, 304020), (810, 269114), (956, 228015), (1126, 193590), (1195, 182412), (1434, 152010), (1620, 134557), (1689, 129060), (2151, 101340), (2252, 96795), (2390, 91206), (2815, 77436), (2868, 76005), (3378, 64530), (3585, 60804), (4302, 50670), (4780, 45603), (5067, 43020), (5630, 38718), (6453, 33780), (6756, 32265), (7170, 30402), (8445, 25812), (8604, 25335), (10134, 21510), (10755, 20268), (11260, 19359), (12906, 16890), (14340, 15201)]

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