421038020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 986259456

約数和(自身を除く): 565221436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 127, 130, 164, 205, 254, 260, 311, 410, 508, 533, 622, 635, 820, 1066, 1244, 1270, 1555, 1651, 2132, 2540, 2665, 3110, 3302, 4043, 5207, 5330, 6220, 6604, 8086, 8255, 10414, 10660, 12751, 16172, 16510, 20215, 20828, 25502, 26035, 33020, 39497, 40430, 51004, 52070, 63755, 67691, 78994, 80860, 104140, 127510, 135382, 157988, 165763, 197485, 255020, 270764, 331526, 338455, 394970, 513461, 663052, 676910, 789940, 828815, 1026922, 1353820, 1619377, 1657630, 2053844, 2567305, 3238754, 3315260, 5134610, 6477508, 8096885, 10269220, 16193770, 21051901, 32387540, 42103802, 84207604, 105259505, 210519010, 421038020]

約数ペア:

[(1, 421038020), (2, 210519010), (4, 105259505), (5, 84207604), (10, 42103802), (13, 32387540), (20, 21051901), (26, 16193770), (41, 10269220), (52, 8096885), (65, 6477508), (82, 5134610), (127, 3315260), (130, 3238754), (164, 2567305), (205, 2053844), (254, 1657630), (260, 1619377), (311, 1353820), (410, 1026922), (508, 828815), (533, 789940), (622, 676910), (635, 663052), (820, 513461), (1066, 394970), (1244, 338455), (1270, 331526), (1555, 270764), (1651, 255020), (2132, 197485), (2540, 165763), (2665, 157988), (3110, 135382), (3302, 127510), (4043, 104140), (5207, 80860), (5330, 78994), (6220, 67691), (6604, 63755), (8086, 52070), (8255, 51004), (10414, 40430), (10660, 39497), (12751, 33020), (16172, 26035), (16510, 25502), (20215, 20828)]