About the Number

29981772

29981771 ← → 29981773

2進数表記:1110010010111110001001100

漢数字表記:二千九百九十八万千七百七十二

素因数分解:

2 2 × 3 3 × 19 2 × 769 1

素因数の和:820
約数の個数: 72
約数和(自身を含む): 82143600
約数和(自身を除く): 52161828

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 769, 1026, 1083, 1444, 1538, 2052, 2166, 2307, 3076, 3249, 4332, 4614, 6498, 6921, 9228, 9747, 12996, 13842, 14611, 19494, 20763, 27684, 29222, 38988, 41526, 43833, 58444, 83052, 87666, 131499, 175332, 262998, 277609, 394497, 525996, 555218, 788994, 832827, 1110436, 1577988, 1665654, 2498481, 3331308, 4996962, 7495443, 9993924, 14990886, 29981772]

約数ペア:
[(1, 29981772), (2, 14990886), (3, 9993924), (4, 7495443), (6, 4996962), (9, 3331308), (12, 2498481), (18, 1665654), (19, 1577988), (27, 1110436), (36, 832827), (38, 788994), (54, 555218), (57, 525996), (76, 394497), (108, 277609), (114, 262998), (171, 175332), (228, 131499), (342, 87666), (361, 83052), (513, 58444), (684, 43833), (722, 41526), (769, 38988), (1026, 29222), (1083, 27684), (1444, 20763), (1538, 19494), (2052, 14611), (2166, 13842), (2307, 12996), (3076, 9747), (3249, 9228), (4332, 6921), (4614, 6498)]

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