About the Number

71379880

71379879 ← → 71379881

2進数表記:100010000010010101110101000

漢数字表記:七千百三十七万九千八百八十

素因数分解:

2 3 × 5 1 × 11 1 × 13 1 × 12479 1

素因数の和:12514
約数の個数: 64
約数和(自身を含む): 188697600
約数和(自身を除く): 117317720

約数列:
[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 12479, 24958, 49916, 62395, 99832, 124790, 137269, 162227, 249580, 274538, 324454, 499160, 549076, 648908, 686345, 811135, 1098152, 1297816, 1372690, 1622270, 1784497, 2745380, 3244540, 3568994, 5490760, 6489080, 7137988, 8922485, 14275976, 17844970, 35689940, 71379880]

約数ペア:
[(1, 71379880), (2, 35689940), (4, 17844970), (5, 14275976), (8, 8922485), (10, 7137988), (11, 6489080), (13, 5490760), (20, 3568994), (22, 3244540), (26, 2745380), (40, 1784497), (44, 1622270), (52, 1372690), (55, 1297816), (65, 1098152), (88, 811135), (104, 686345), (110, 648908), (130, 549076), (143, 499160), (220, 324454), (260, 274538), (286, 249580), (440, 162227), (520, 137269), (572, 124790), (715, 99832), (1144, 62395), (1430, 49916), (2860, 24958), (5720, 12479)]

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