201639750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20681}}^1$

素因数の和:20714

約数の個数: 64

約数和(自身を含む): 542033856

約数和(自身を除く): 340394106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 3250, 4875, 9750, 20681, 41362, 62043, 103405, 124086, 206810, 268853, 310215, 517025, 537706, 620430, 806559, 1034050, 1344265, 1551075, 1613118, 2585125, 2688530, 3102150, 4032795, 5170250, 6721325, 7755375, 8065590, 13442650, 15510750, 20163975, 33606625, 40327950, 67213250, 100819875, 201639750]

約数ペア:

[(1, 201639750), (2, 100819875), (3, 67213250), (5, 40327950), (6, 33606625), (10, 20163975), (13, 15510750), (15, 13442650), (25, 8065590), (26, 7755375), (30, 6721325), (39, 5170250), (50, 4032795), (65, 3102150), (75, 2688530), (78, 2585125), (125, 1613118), (130, 1551075), (150, 1344265), (195, 1034050), (250, 806559), (325, 620430), (375, 537706), (390, 517025), (650, 310215), (750, 268853), (975, 206810), (1625, 124086), (1950, 103405), (3250, 62043), (4875, 41362), (9750, 20681)]