1897100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 4197648

約数和(自身を除く): 2300548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 311, 610, 622, 1220, 1244, 1525, 1555, 3050, 3110, 6100, 6220, 7775, 15550, 18971, 31100, 37942, 75884, 94855, 189710, 379420, 474275, 948550, 1897100]

約数ペア:

[(1, 1897100), (2, 948550), (4, 474275), (5, 379420), (10, 189710), (20, 94855), (25, 75884), (50, 37942), (61, 31100), (100, 18971), (122, 15550), (244, 7775), (305, 6220), (311, 6100), (610, 3110), (622, 3050), (1220, 1555), (1244, 1525)]