2051249420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{33181}}^1$

素因数の和:33482

約数の個数: 48

約数和(自身を含む): 4716091296

約数和(自身を除く): 2664841876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1405, 2810, 3091, 5620, 6182, 12364, 15455, 30910, 33181, 61820, 66362, 132724, 165905, 331810, 364991, 663620, 729982, 1459964, 1824955, 3649910, 7299820, 9323861, 18647722, 37295444, 46619305, 93238610, 102562471, 186477220, 205124942, 410249884, 512812355, 1025624710, 2051249420]

約数ペア:

[(1, 2051249420), (2, 1025624710), (4, 512812355), (5, 410249884), (10, 205124942), (11, 186477220), (20, 102562471), (22, 93238610), (44, 46619305), (55, 37295444), (110, 18647722), (220, 9323861), (281, 7299820), (562, 3649910), (1124, 1824955), (1405, 1459964), (2810, 729982), (3091, 663620), (5620, 364991), (6182, 331810), (12364, 165905), (15455, 132724), (30910, 66362), (33181, 61820)]