About the Number

145809090

145809089 ← → 145809091

2進数表記:1000101100001101111011000010

漢数字表記:一億四千五百八十万九千九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 231443 1

素因数の和:231463
約数の個数: 48
約数和(自身を含む): 433263168
約数和(自身を除く): 287454078

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 231443, 462886, 694329, 1157215, 1388658, 1620101, 2082987, 2314430, 3240202, 3471645, 4165974, 4860303, 6943290, 8100505, 9720606, 10414935, 14580909, 16201010, 20829870, 24301515, 29161818, 48603030, 72904545, 145809090]

約数ペア:
[(1, 145809090), (2, 72904545), (3, 48603030), (5, 29161818), (6, 24301515), (7, 20829870), (9, 16201010), (10, 14580909), (14, 10414935), (15, 9720606), (18, 8100505), (21, 6943290), (30, 4860303), (35, 4165974), (42, 3471645), (45, 3240202), (63, 2314430), (70, 2082987), (90, 1620101), (105, 1388658), (126, 1157215), (210, 694329), (315, 462886), (630, 231443)]

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