426188960

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^2$

素因数の和:450

約数の個数: 72

約数和(自身を含む): 1024104060

約数和(自身を除く): 597915100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 173, 178, 346, 356, 445, 692, 712, 865, 890, 1384, 1424, 1730, 1780, 2768, 2848, 3460, 3560, 5536, 6920, 7120, 13840, 14240, 15397, 27680, 29929, 30794, 59858, 61588, 76985, 119716, 123176, 149645, 153970, 239432, 246352, 299290, 307940, 478864, 492704, 598580, 615880, 957728, 1197160, 1231760, 2394320, 2463520, 2663681, 4788640, 5327362, 10654724, 13318405, 21309448, 26636810, 42618896, 53273620, 85237792, 106547240, 213094480, 426188960]

約数ペア:

[(1, 426188960), (2, 213094480), (4, 106547240), (5, 85237792), (8, 53273620), (10, 42618896), (16, 26636810), (20, 21309448), (32, 13318405), (40, 10654724), (80, 5327362), (89, 4788640), (160, 2663681), (173, 2463520), (178, 2394320), (346, 1231760), (356, 1197160), (445, 957728), (692, 615880), (712, 598580), (865, 492704), (890, 478864), (1384, 307940), (1424, 299290), (1730, 246352), (1780, 239432), (2768, 153970), (2848, 149645), (3460, 123176), (3560, 119716), (5536, 76985), (6920, 61588), (7120, 59858), (13840, 30794), (14240, 29929), (15397, 27680)]