About the Number

169470990

169470989 ← → 169470991

2進数表記:1010000110011110110000001110

漢数字表記:一億六千九百四十七万九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 144847 1

素因数の和:144873
約数の個数: 48
約数和(自身を含む): 474522048
約数和(自身を除く): 305051058

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 144847, 289694, 434541, 724235, 869082, 1303623, 1448470, 1883011, 2172705, 2607246, 3766022, 4345410, 5649033, 6518115, 9415055, 11298066, 13036230, 16947099, 18830110, 28245165, 33894198, 56490330, 84735495, 169470990]

約数ペア:
[(1, 169470990), (2, 84735495), (3, 56490330), (5, 33894198), (6, 28245165), (9, 18830110), (10, 16947099), (13, 13036230), (15, 11298066), (18, 9415055), (26, 6518115), (30, 5649033), (39, 4345410), (45, 3766022), (65, 2607246), (78, 2172705), (90, 1883011), (117, 1448470), (130, 1303623), (195, 869082), (234, 724235), (390, 434541), (585, 289694), (1170, 144847)]

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