201951220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{523}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 435758400

約数和(自身を除く): 233807180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 449, 523, 860, 898, 1046, 1796, 2092, 2245, 2615, 4490, 5230, 8980, 10460, 19307, 22489, 38614, 44978, 77228, 89956, 96535, 112445, 193070, 224890, 234827, 386140, 449780, 469654, 939308, 1174135, 2348270, 4696540, 10097561, 20195122, 40390244, 50487805, 100975610, 201951220]

約数ペア:

[(1, 201951220), (2, 100975610), (4, 50487805), (5, 40390244), (10, 20195122), (20, 10097561), (43, 4696540), (86, 2348270), (172, 1174135), (215, 939308), (430, 469654), (449, 449780), (523, 386140), (860, 234827), (898, 224890), (1046, 193070), (1796, 112445), (2092, 96535), (2245, 89956), (2615, 77228), (4490, 44978), (5230, 38614), (8980, 22489), (10460, 19307)]