About the Number

124870790

124870789 ← → 124870791

2進数表記:111011100010110000010000110

漢数字表記:一億二千四百八十七万七百九十

素因数分解:

2 1 × 5 1 × 11 2 × 31 1 × 3329 1

素因数の和:3389
約数の個数: 48
約数和(自身を含む): 255104640
約数和(自身を除く): 130233850

約数列:
[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 1210, 1705, 3329, 3410, 3751, 6658, 7502, 16645, 18755, 33290, 36619, 37510, 73238, 103199, 183095, 206398, 366190, 402809, 515995, 805618, 1031990, 1135189, 2014045, 2270378, 4028090, 5675945, 11351890, 12487079, 24974158, 62435395, 124870790]

約数ペア:
[(1, 124870790), (2, 62435395), (5, 24974158), (10, 12487079), (11, 11351890), (22, 5675945), (31, 4028090), (55, 2270378), (62, 2014045), (110, 1135189), (121, 1031990), (155, 805618), (242, 515995), (310, 402809), (341, 366190), (605, 206398), (682, 183095), (1210, 103199), (1705, 73238), (3329, 37510), (3410, 36619), (3751, 33290), (6658, 18755), (7502, 16645)]

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