About the Number

216804980

216804979 ← → 216804981

2進数表記:1100111011000010111001110100

漢数字表記:二億千六百八十万四千九百八十

素因数分解:

2 2 × 5 1 × 7 1 × 53 1 × 61 1 × 479 1

素因数の和:609
約数の個数: 96
約数和(自身を含む): 539965440
約数和(自身を除く): 323160460

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 61, 70, 106, 122, 140, 212, 244, 265, 305, 371, 427, 479, 530, 610, 742, 854, 958, 1060, 1220, 1484, 1708, 1855, 1916, 2135, 2395, 3233, 3353, 3710, 4270, 4790, 6466, 6706, 7420, 8540, 9580, 12932, 13412, 16165, 16765, 22631, 25387, 29219, 32330, 33530, 45262, 50774, 58438, 64660, 67060, 90524, 101548, 113155, 116876, 126935, 146095, 177709, 204533, 226310, 253870, 292190, 355418, 409066, 452620, 507740, 584380, 710836, 818132, 888545, 1022665, 1548607, 1777090, 2045330, 3097214, 3554180, 4090660, 6194428, 7743035, 10840249, 15486070, 21680498, 30972140, 43360996, 54201245, 108402490, 216804980]

約数ペア:
[(1, 216804980), (2, 108402490), (4, 54201245), (5, 43360996), (7, 30972140), (10, 21680498), (14, 15486070), (20, 10840249), (28, 7743035), (35, 6194428), (53, 4090660), (61, 3554180), (70, 3097214), (106, 2045330), (122, 1777090), (140, 1548607), (212, 1022665), (244, 888545), (265, 818132), (305, 710836), (371, 584380), (427, 507740), (479, 452620), (530, 409066), (610, 355418), (742, 292190), (854, 253870), (958, 226310), (1060, 204533), (1220, 177709), (1484, 146095), (1708, 126935), (1855, 116876), (1916, 113155), (2135, 101548), (2395, 90524), (3233, 67060), (3353, 64660), (3710, 58438), (4270, 50774), (4790, 45262), (6466, 33530), (6706, 32330), (7420, 29219), (8540, 25387), (9580, 22631), (12932, 16765), (13412, 16165)]

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