About the Number

12293990

12293989 ← → 12293991

2進数表記:101110111001011101100110

漢数字表記:千二百二十九万三千九百九十

素因数分解:

2 1 × 5 1 × 37 1 × 149 1 × 223 1

素因数の和:416
約数の個数: 32
約数和(自身を含む): 22982400
約数和(自身を除く): 10688410

約数列:
[1, 2, 5, 10, 37, 74, 149, 185, 223, 298, 370, 446, 745, 1115, 1490, 2230, 5513, 8251, 11026, 16502, 27565, 33227, 41255, 55130, 66454, 82510, 166135, 332270, 1229399, 2458798, 6146995, 12293990]

約数ペア:
[(1, 12293990), (2, 6146995), (5, 2458798), (10, 1229399), (37, 332270), (74, 166135), (149, 82510), (185, 66454), (223, 55130), (298, 41255), (370, 33227), (446, 27565), (745, 16502), (1115, 11026), (1490, 8251), (2230, 5513)]

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