About the Number

108955990

108955989 ← → 108955991

2進数表記:110011111101000100101010110

漢数字表記:一億八百九十五万五千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 13 2 × 5861 1

素因数の和:5905
約数の個数: 48
約数和(自身を含む): 231713136
約数和(自身を除く): 122757146

約数列:
[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 5861, 9295, 11722, 18590, 29305, 58610, 64471, 76193, 128942, 152386, 322355, 380965, 644710, 761930, 838123, 990509, 1676246, 1981018, 4190615, 4952545, 8381230, 9905090, 10895599, 21791198, 54477995, 108955990]

約数ペア:
[(1, 108955990), (2, 54477995), (5, 21791198), (10, 10895599), (11, 9905090), (13, 8381230), (22, 4952545), (26, 4190615), (55, 1981018), (65, 1676246), (110, 990509), (130, 838123), (143, 761930), (169, 644710), (286, 380965), (338, 322355), (715, 152386), (845, 128942), (1430, 76193), (1690, 64471), (1859, 58610), (3718, 29305), (5861, 18590), (9295, 11722)]

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