277029220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 651974400

約数和(自身を除く): 374945180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 71, 86, 130, 142, 172, 215, 260, 284, 349, 355, 430, 559, 698, 710, 860, 923, 1118, 1396, 1420, 1745, 1846, 2236, 2795, 3053, 3490, 3692, 4537, 4615, 5590, 6106, 6980, 9074, 9230, 11180, 12212, 15007, 15265, 18148, 18460, 22685, 24779, 30014, 30530, 39689, 45370, 49558, 60028, 61060, 75035, 79378, 90740, 99116, 123895, 150070, 158756, 195091, 198445, 247790, 300140, 322127, 390182, 396890, 495580, 644254, 780364, 793780, 975455, 1065497, 1288508, 1610635, 1950910, 2130994, 3221270, 3901820, 4261988, 5327485, 6442540, 10654970, 13851461, 21309940, 27702922, 55405844, 69257305, 138514610, 277029220]

約数ペア:

[(1, 277029220), (2, 138514610), (4, 69257305), (5, 55405844), (10, 27702922), (13, 21309940), (20, 13851461), (26, 10654970), (43, 6442540), (52, 5327485), (65, 4261988), (71, 3901820), (86, 3221270), (130, 2130994), (142, 1950910), (172, 1610635), (215, 1288508), (260, 1065497), (284, 975455), (349, 793780), (355, 780364), (430, 644254), (559, 495580), (698, 396890), (710, 390182), (860, 322127), (923, 300140), (1118, 247790), (1396, 198445), (1420, 195091), (1745, 158756), (1846, 150070), (2236, 123895), (2795, 99116), (3053, 90740), (3490, 79378), (3692, 75035), (4537, 61060), (4615, 60028), (5590, 49558), (6106, 45370), (6980, 39689), (9074, 30530), (9230, 30014), (11180, 24779), (12212, 22685), (15007, 18460), (15265, 18148)]