201644720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132661}}^1$

素因数の和:132693

約数の個数: 40

約数和(自身を含む): 493502640

約数和(自身を除く): 291857920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132661, 265322, 530644, 663305, 1061288, 1326610, 2122576, 2520559, 2653220, 5041118, 5306440, 10082236, 10612880, 12602795, 20164472, 25205590, 40328944, 50411180, 100822360, 201644720]

約数ペア:

[(1, 201644720), (2, 100822360), (4, 50411180), (5, 40328944), (8, 25205590), (10, 20164472), (16, 12602795), (19, 10612880), (20, 10082236), (38, 5306440), (40, 5041118), (76, 2653220), (80, 2520559), (95, 2122576), (152, 1326610), (190, 1061288), (304, 663305), (380, 530644), (760, 265322), (1520, 132661)]