About the Number

102691890

102691889 ← → 102691891

2進数表記:110000111101111010000110010

漢数字表記:一億二百六十九万千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 163003 1

素因数の和:163023
約数の個数: 48
約数和(自身を含む): 305143488
約数和(自身を除く): 202451598

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, 163003, 326006, 489009, 815015, 978018, 1141021, 1467027, 1630030, 2282042, 2445045, 2934054, 3423063, 4890090, 5705105, 6846126, 7335135, 10269189, 11410210, 14670270, 17115315, 20538378, 34230630, 51345945, 102691890]

約数ペア:
[(1, 102691890), (2, 51345945), (3, 34230630), (5, 20538378), (6, 17115315), (7, 14670270), (9, 11410210), (10, 10269189), (14, 7335135), (15, 6846126), (18, 5705105), (21, 4890090), (30, 3423063), (35, 2934054), (42, 2445045), (45, 2282042), (63, 1630030), (70, 1467027), (90, 1141021), (105, 978018), (126, 815015), (210, 489009), (315, 326006), (630, 163003)]

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