About the Number

138781036790

138781036789 ← → 138781036791

2進数表記:10000001001111111111101001000011110110

漢数字表記:千三百八十七億八千百三万六千七百九十

素因数分解:

2 1 × 5 1 × 11 1 × 71 1 × 2081 1 × 8539 1

素因数の和:10709
約数の個数: 64
約数和(自身を含む): 276518914560
約数和(自身を除く): 137737877770

約数列:
[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2081, 3905, 4162, 7810, 8539, 10405, 17078, 20810, 22891, 42695, 45782, 85390, 93929, 114455, 147751, 187858, 228910, 295502, 469645, 606269, 738755, 939290, 1212538, 1477510, 1625261, 3031345, 3250522, 6062690, 6668959, 8126305, 13337918, 16252610, 17769659, 33344795, 35539318, 66689590, 88848295, 177696590, 195466249, 390932498, 977331245, 1261645789, 1954662490, 2523291578, 6308228945, 12616457890, 13878103679, 27756207358, 69390518395, 138781036790]

約数ペア:
[(1, 138781036790), (2, 69390518395), (5, 27756207358), (10, 13878103679), (11, 12616457890), (22, 6308228945), (55, 2523291578), (71, 1954662490), (110, 1261645789), (142, 977331245), (355, 390932498), (710, 195466249), (781, 177696590), (1562, 88848295), (2081, 66689590), (3905, 35539318), (4162, 33344795), (7810, 17769659), (8539, 16252610), (10405, 13337918), (17078, 8126305), (20810, 6668959), (22891, 6062690), (42695, 3250522), (45782, 3031345), (85390, 1625261), (93929, 1477510), (114455, 1212538), (147751, 939290), (187858, 738755), (228910, 606269), (295502, 469645)]

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