201126820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1423}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 436359168

約数和(自身を除く): 235232348

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 740, 764, 955, 1423, 1910, 2846, 3820, 5692, 7067, 7115, 14134, 14230, 28268, 28460, 35335, 52651, 70670, 105302, 141340, 210604, 263255, 271793, 526510, 543586, 1053020, 1087172, 1358965, 2717930, 5435860, 10056341, 20112682, 40225364, 50281705, 100563410, 201126820]

約数ペア:

[(1, 201126820), (2, 100563410), (4, 50281705), (5, 40225364), (10, 20112682), (20, 10056341), (37, 5435860), (74, 2717930), (148, 1358965), (185, 1087172), (191, 1053020), (370, 543586), (382, 526510), (740, 271793), (764, 263255), (955, 210604), (1423, 141340), (1910, 105302), (2846, 70670), (3820, 52651), (5692, 35335), (7067, 28460), (7115, 28268), (14134, 14230)]