About the Number

129281940

129281939 ← → 129281941

2進数表記:111101101001010111110010100

漢数字表記:一億二千九百二十八万千九百四十

素因数分解:

2 2 × 3 3 × 5 1 × 17 1 × 14083 1

素因数の和:14118
約数の個数: 96
約数和(自身を含む): 425900160
約数和(自身を除く): 296618220

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 3060, 4590, 9180, 14083, 28166, 42249, 56332, 70415, 84498, 126747, 140830, 168996, 211245, 239411, 253494, 281660, 380241, 422490, 478822, 506988, 633735, 718233, 760482, 844980, 957644, 1197055, 1267470, 1436466, 1520964, 1901205, 2154699, 2394110, 2534940, 2872932, 3591165, 3802410, 4309398, 4788220, 6464097, 7182330, 7604820, 8618796, 10773495, 12928194, 14364660, 21546990, 25856388, 32320485, 43093980, 64640970, 129281940]

約数ペア:
[(1, 129281940), (2, 64640970), (3, 43093980), (4, 32320485), (5, 25856388), (6, 21546990), (9, 14364660), (10, 12928194), (12, 10773495), (15, 8618796), (17, 7604820), (18, 7182330), (20, 6464097), (27, 4788220), (30, 4309398), (34, 3802410), (36, 3591165), (45, 2872932), (51, 2534940), (54, 2394110), (60, 2154699), (68, 1901205), (85, 1520964), (90, 1436466), (102, 1267470), (108, 1197055), (135, 957644), (153, 844980), (170, 760482), (180, 718233), (204, 633735), (255, 506988), (270, 478822), (306, 422490), (340, 380241), (459, 281660), (510, 253494), (540, 239411), (612, 211245), (765, 168996), (918, 140830), (1020, 126747), (1530, 84498), (1836, 70415), (2295, 56332), (3060, 42249), (4590, 28166), (9180, 14083)]

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