1279682420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{76081}}^1$

素因数の和:76148

約数の個数: 36

約数和(自身を含む): 2783231724

約数和(自身を除く): 1503549304

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 8410, 16820, 76081, 152162, 304324, 380405, 760810, 1521620, 2206349, 4412698, 8825396, 11031745, 22063490, 44126980, 63984121, 127968242, 255936484, 319920605, 639841210, 1279682420]

約数ペア:

[(1, 1279682420), (2, 639841210), (4, 319920605), (5, 255936484), (10, 127968242), (20, 63984121), (29, 44126980), (58, 22063490), (116, 11031745), (145, 8825396), (290, 4412698), (580, 2206349), (841, 1521620), (1682, 760810), (3364, 380405), (4205, 304324), (8410, 152162), (16820, 76081)]