About the Number

121987150

121987149 ← → 121987151

2進数表記:111010001010110000001001110

漢数字表記:一億二千百九十八万七千百五十

素因数分解:

2 1 × 5 2 × 37 1 × 233 1 × 283 1

素因数の和:565
約数の個数: 48
約数和(自身を含む): 234855504
約数和(自身を除く): 112868354

約数列:
[1, 2, 5, 10, 25, 37, 50, 74, 185, 233, 283, 370, 466, 566, 925, 1165, 1415, 1850, 2330, 2830, 5825, 7075, 8621, 10471, 11650, 14150, 17242, 20942, 43105, 52355, 65939, 86210, 104710, 131878, 215525, 261775, 329695, 431050, 523550, 659390, 1648475, 2439743, 3296950, 4879486, 12198715, 24397430, 60993575, 121987150]

約数ペア:
[(1, 121987150), (2, 60993575), (5, 24397430), (10, 12198715), (25, 4879486), (37, 3296950), (50, 2439743), (74, 1648475), (185, 659390), (233, 523550), (283, 431050), (370, 329695), (466, 261775), (566, 215525), (925, 131878), (1165, 104710), (1415, 86210), (1850, 65939), (2330, 52355), (2830, 43105), (5825, 20942), (7075, 17242), (8621, 14150), (10471, 11650)]

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