About the Number

109988820

109988819 ← → 109988821

2進数表記:110100011100100101111010100

漢数字表記:一億九百九十八万八千八百二十

素因数分解:

2 2 × 3 3 × 5 1 × 149 1 × 1367 1

素因数の和:1534
約数の個数: 96
約数和(自身を含む): 344736000
約数和(自身を除く): 234747180

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 447, 540, 596, 745, 894, 1341, 1367, 1490, 1788, 2235, 2682, 2734, 2980, 4023, 4101, 4470, 5364, 5468, 6705, 6835, 8046, 8202, 8940, 12303, 13410, 13670, 16092, 16404, 20115, 20505, 24606, 26820, 27340, 36909, 40230, 41010, 49212, 61515, 73818, 80460, 82020, 123030, 147636, 184545, 203683, 246060, 369090, 407366, 611049, 738180, 814732, 1018415, 1222098, 1833147, 2036830, 2444196, 3055245, 3666294, 4073660, 5499441, 6110490, 7332588, 9165735, 10998882, 12220980, 18331470, 21997764, 27497205, 36662940, 54994410, 109988820]

約数ペア:
[(1, 109988820), (2, 54994410), (3, 36662940), (4, 27497205), (5, 21997764), (6, 18331470), (9, 12220980), (10, 10998882), (12, 9165735), (15, 7332588), (18, 6110490), (20, 5499441), (27, 4073660), (30, 3666294), (36, 3055245), (45, 2444196), (54, 2036830), (60, 1833147), (90, 1222098), (108, 1018415), (135, 814732), (149, 738180), (180, 611049), (270, 407366), (298, 369090), (447, 246060), (540, 203683), (596, 184545), (745, 147636), (894, 123030), (1341, 82020), (1367, 80460), (1490, 73818), (1788, 61515), (2235, 49212), (2682, 41010), (2734, 40230), (2980, 36909), (4023, 27340), (4101, 26820), (4470, 24606), (5364, 20505), (5468, 20115), (6705, 16404), (6835, 16092), (8046, 13670), (8202, 13410), (8940, 12303)]

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