About the Number

31138920

31138919 ← → 31138921

2進数表記:1110110110010010001101000

漢数字表記:三千百十三万八千九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 67 1 × 1291 1

素因数の和:1375
約数の個数: 96
約数和(自身を含む): 102791520
約数和(自身を除く): 71652600

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 1005, 1206, 1291, 1340, 1608, 2010, 2412, 2582, 2680, 3015, 3873, 4020, 4824, 5164, 6030, 6455, 7746, 8040, 10328, 11619, 12060, 12910, 15492, 19365, 23238, 24120, 25820, 30984, 38730, 46476, 51640, 58095, 77460, 86497, 92952, 116190, 154920, 172994, 232380, 259491, 345988, 432485, 464760, 518982, 691976, 778473, 864970, 1037964, 1297455, 1556946, 1729940, 2075928, 2594910, 3113892, 3459880, 3892365, 5189820, 6227784, 7784730, 10379640, 15569460, 31138920]

約数ペア:
[(1, 31138920), (2, 15569460), (3, 10379640), (4, 7784730), (5, 6227784), (6, 5189820), (8, 3892365), (9, 3459880), (10, 3113892), (12, 2594910), (15, 2075928), (18, 1729940), (20, 1556946), (24, 1297455), (30, 1037964), (36, 864970), (40, 778473), (45, 691976), (60, 518982), (67, 464760), (72, 432485), (90, 345988), (120, 259491), (134, 232380), (180, 172994), (201, 154920), (268, 116190), (335, 92952), (360, 86497), (402, 77460), (536, 58095), (603, 51640), (670, 46476), (804, 38730), (1005, 30984), (1206, 25820), (1291, 24120), (1340, 23238), (1608, 19365), (2010, 15492), (2412, 12910), (2582, 12060), (2680, 11619), (3015, 10328), (3873, 8040), (4020, 7746), (4824, 6455), (5164, 6030)]

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