About the Number

121893910

121893909 ← → 121893911

2進数表記:111010000111111010000010110

漢数字表記:一億二千百八十九万三千九百十

素因数分解:

2 1 × 5 1 × 17 1 × 37 1 × 19379 1

素因数の和:19440
約数の個数: 32
約数和(自身を含む): 238606560
約数和(自身を除く): 116712650

約数列:
[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 19379, 38758, 96895, 193790, 329443, 658886, 717023, 1434046, 1647215, 3294430, 3585115, 7170230, 12189391, 24378782, 60946955, 121893910]

約数ペア:
[(1, 121893910), (2, 60946955), (5, 24378782), (10, 12189391), (17, 7170230), (34, 3585115), (37, 3294430), (74, 1647215), (85, 1434046), (170, 717023), (185, 658886), (370, 329443), (629, 193790), (1258, 96895), (3145, 38758), (6290, 19379)]

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