149720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 356400

約数和(自身を除く): 206680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 760, 788, 985, 1576, 1970, 3743, 3940, 7486, 7880, 14972, 18715, 29944, 37430, 74860, 149720]

約数ペア:

[(1, 149720), (2, 74860), (4, 37430), (5, 29944), (8, 18715), (10, 14972), (19, 7880), (20, 7486), (38, 3940), (40, 3743), (76, 1970), (95, 1576), (152, 985), (190, 788), (197, 760), (380, 394)]