1993300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 4471936

約数和(自身を除く): 2478636

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 643, 775, 1286, 1550, 2572, 3100, 3215, 6430, 12860, 16075, 19933, 32150, 39866, 64300, 79732, 99665, 199330, 398660, 498325, 996650, 1993300]

約数ペア:

[(1, 1993300), (2, 996650), (4, 498325), (5, 398660), (10, 199330), (20, 99665), (25, 79732), (31, 64300), (50, 39866), (62, 32150), (100, 19933), (124, 16075), (155, 12860), (310, 6430), (620, 3215), (643, 3100), (775, 2572), (1286, 1550)]