138552500

素因数分解:

$2^2\times 5^4\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 60

約数和(自身を含む): 305780244

約数和(自身を除く): 167227744

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 353, 500, 625, 628, 706, 785, 1250, 1412, 1570, 1765, 2500, 3140, 3530, 3925, 7060, 7850, 8825, 15700, 17650, 19625, 35300, 39250, 44125, 55421, 78500, 88250, 98125, 110842, 176500, 196250, 220625, 221684, 277105, 392500, 441250, 554210, 882500, 1108420, 1385525, 2771050, 5542100, 6927625, 13855250, 27710500, 34638125, 69276250, 138552500]

約数ペア:

[(1, 138552500), (2, 69276250), (4, 34638125), (5, 27710500), (10, 13855250), (20, 6927625), (25, 5542100), (50, 2771050), (100, 1385525), (125, 1108420), (157, 882500), (250, 554210), (314, 441250), (353, 392500), (500, 277105), (625, 221684), (628, 220625), (706, 196250), (785, 176500), (1250, 110842), (1412, 98125), (1570, 88250), (1765, 78500), (2500, 55421), (3140, 44125), (3530, 39250), (3925, 35300), (7060, 19625), (7850, 17650), (8825, 15700)]