About the Number

213560380

213560379 ← → 213560381

2進数表記:1100101110101010110000111100

漢数字表記:二億千三百五十六万三百八十

素因数分解:

2 2 × 5 1 × 11 1 × 19 2 × 2689 1

素因数の和:2747
約数の個数: 72
約数和(自身を含む): 516544560
約数和(自身を除く): 302984180

約数列:
[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 2090, 2689, 3610, 3971, 4180, 5378, 7220, 7942, 10756, 13445, 15884, 19855, 26890, 29579, 39710, 51091, 53780, 59158, 79420, 102182, 118316, 147895, 204364, 255455, 295790, 510910, 562001, 591580, 970729, 1021820, 1124002, 1941458, 2248004, 2810005, 3882916, 4853645, 5620010, 9707290, 10678019, 11240020, 19414580, 21356038, 42712076, 53390095, 106780190, 213560380]

約数ペア:
[(1, 213560380), (2, 106780190), (4, 53390095), (5, 42712076), (10, 21356038), (11, 19414580), (19, 11240020), (20, 10678019), (22, 9707290), (38, 5620010), (44, 4853645), (55, 3882916), (76, 2810005), (95, 2248004), (110, 1941458), (190, 1124002), (209, 1021820), (220, 970729), (361, 591580), (380, 562001), (418, 510910), (722, 295790), (836, 255455), (1045, 204364), (1444, 147895), (1805, 118316), (2090, 102182), (2689, 79420), (3610, 59158), (3971, 53780), (4180, 51091), (5378, 39710), (7220, 29579), (7942, 26890), (10756, 19855), (13445, 15884)]

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