About the Number

201280740

201280739 ← → 201280741

2進数表記:1011111111110100110011100100

漢数字表記:二億百二十八万七百四十

素因数分解:

2 2 × 3 1 × 5 1 × 37 1 × 71 1 × 1277 1

素因数の和:1397
約数の個数: 96
約数和(自身を含む): 587430144
約数和(自身を除く): 386149404

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 71, 74, 111, 142, 148, 185, 213, 222, 284, 355, 370, 426, 444, 555, 710, 740, 852, 1065, 1110, 1277, 1420, 2130, 2220, 2554, 2627, 3831, 4260, 5108, 5254, 6385, 7662, 7881, 10508, 12770, 13135, 15324, 15762, 19155, 25540, 26270, 31524, 38310, 39405, 47249, 52540, 76620, 78810, 90667, 94498, 141747, 157620, 181334, 188996, 236245, 272001, 283494, 362668, 453335, 472490, 544002, 566988, 708735, 906670, 944980, 1088004, 1360005, 1417470, 1813340, 2720010, 2834940, 3354679, 5440020, 6709358, 10064037, 13418716, 16773395, 20128074, 33546790, 40256148, 50320185, 67093580, 100640370, 201280740]

約数ペア:
[(1, 201280740), (2, 100640370), (3, 67093580), (4, 50320185), (5, 40256148), (6, 33546790), (10, 20128074), (12, 16773395), (15, 13418716), (20, 10064037), (30, 6709358), (37, 5440020), (60, 3354679), (71, 2834940), (74, 2720010), (111, 1813340), (142, 1417470), (148, 1360005), (185, 1088004), (213, 944980), (222, 906670), (284, 708735), (355, 566988), (370, 544002), (426, 472490), (444, 453335), (555, 362668), (710, 283494), (740, 272001), (852, 236245), (1065, 188996), (1110, 181334), (1277, 157620), (1420, 141747), (2130, 94498), (2220, 90667), (2554, 78810), (2627, 76620), (3831, 52540), (4260, 47249), (5108, 39405), (5254, 38310), (6385, 31524), (7662, 26270), (7881, 25540), (10508, 19155), (12770, 15762), (13135, 15324)]

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