About the Number

2137478840

2137478839 ← → 2137478841

2進数表記:1111111011001110101011010111000

漢数字表記:二十一億三千七百四十七万八千八百四十

素因数分解:

2 3 × 5 1 × 7 1 × 331 1 × 23063 1

素因数の和:23412
約数の個数: 64
約数和(自身を含む): 5513218560
約数和(自身を除く): 3375739720

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 331, 662, 1324, 1655, 2317, 2648, 3310, 4634, 6620, 9268, 11585, 13240, 18536, 23063, 23170, 46126, 46340, 92252, 92680, 115315, 161441, 184504, 230630, 322882, 461260, 645764, 807205, 922520, 1291528, 1614410, 3228820, 6457640, 7633853, 15267706, 30535412, 38169265, 53436971, 61070824, 76338530, 106873942, 152677060, 213747884, 267184855, 305354120, 427495768, 534369710, 1068739420, 2137478840]

約数ペア:
[(1, 2137478840), (2, 1068739420), (4, 534369710), (5, 427495768), (7, 305354120), (8, 267184855), (10, 213747884), (14, 152677060), (20, 106873942), (28, 76338530), (35, 61070824), (40, 53436971), (56, 38169265), (70, 30535412), (140, 15267706), (280, 7633853), (331, 6457640), (662, 3228820), (1324, 1614410), (1655, 1291528), (2317, 922520), (2648, 807205), (3310, 645764), (4634, 461260), (6620, 322882), (9268, 230630), (11585, 184504), (13240, 161441), (18536, 115315), (23063, 92680), (23170, 92252), (46126, 46340)]

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