201983900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 453720960

約数和(自身を除く): 251737060

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 107, 172, 214, 215, 428, 430, 439, 535, 860, 878, 1070, 1075, 1756, 2140, 2150, 2195, 2675, 4300, 4390, 4601, 5350, 8780, 9202, 10700, 10975, 18404, 18877, 21950, 23005, 37754, 43900, 46010, 46973, 75508, 92020, 93946, 94385, 115025, 187892, 188770, 230050, 234865, 377540, 460100, 469730, 471925, 939460, 943850, 1174325, 1887700, 2019839, 2348650, 4039678, 4697300, 8079356, 10099195, 20198390, 40396780, 50495975, 100991950, 201983900]

約数ペア:

[(1, 201983900), (2, 100991950), (4, 50495975), (5, 40396780), (10, 20198390), (20, 10099195), (25, 8079356), (43, 4697300), (50, 4039678), (86, 2348650), (100, 2019839), (107, 1887700), (172, 1174325), (214, 943850), (215, 939460), (428, 471925), (430, 469730), (439, 460100), (535, 377540), (860, 234865), (878, 230050), (1070, 188770), (1075, 187892), (1756, 115025), (2140, 94385), (2150, 93946), (2195, 92020), (2675, 75508), (4300, 46973), (4390, 46010), (4601, 43900), (5350, 37754), (8780, 23005), (9202, 21950), (10700, 18877), (10975, 18404)]