2052380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 4959360

約数和(自身を除く): 2906980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 491, 836, 982, 1045, 1964, 2090, 2455, 4180, 4910, 5401, 9329, 9820, 10802, 18658, 21604, 27005, 37316, 46645, 54010, 93290, 102619, 108020, 186580, 205238, 410476, 513095, 1026190, 2052380]

約数ペア:

[(1, 2052380), (2, 1026190), (4, 513095), (5, 410476), (10, 205238), (11, 186580), (19, 108020), (20, 102619), (22, 93290), (38, 54010), (44, 46645), (55, 37316), (76, 27005), (95, 21604), (110, 18658), (190, 10802), (209, 9820), (220, 9329), (380, 5401), (418, 4910), (491, 4180), (836, 2455), (982, 2090), (1045, 1964)]