201020740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3643}}^1$

素因数の和:3772

約数の個数: 48

約数和(自身を含む): 440778240

約数和(自身を除く): 239757500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 3643, 5518, 7286, 11036, 13795, 14572, 18215, 27590, 36430, 55180, 72860, 112933, 225866, 324227, 451732, 564665, 648454, 1129330, 1296908, 1621135, 2258660, 3242270, 6484540, 10051037, 20102074, 40204148, 50255185, 100510370, 201020740]

約数ペア:

[(1, 201020740), (2, 100510370), (4, 50255185), (5, 40204148), (10, 20102074), (20, 10051037), (31, 6484540), (62, 3242270), (89, 2258660), (124, 1621135), (155, 1296908), (178, 1129330), (310, 648454), (356, 564665), (445, 451732), (620, 324227), (890, 225866), (1780, 112933), (2759, 72860), (3643, 55180), (5518, 36430), (7286, 27590), (11036, 18215), (13795, 14572)]