189971720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6661}}^1$

素因数の和:6726

約数の個数: 64

約数和(自身を含む): 460477440

約数和(自身を除く): 270505720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 6661, 7130, 13322, 14260, 26644, 28520, 33305, 53288, 66610, 133220, 153203, 206491, 266440, 306406, 412982, 612812, 766015, 825964, 1032455, 1225624, 1532030, 1651928, 2064910, 3064060, 4129820, 4749293, 6128120, 8259640, 9498586, 18997172, 23746465, 37994344, 47492930, 94985860, 189971720]

約数ペア:

[(1, 189971720), (2, 94985860), (4, 47492930), (5, 37994344), (8, 23746465), (10, 18997172), (20, 9498586), (23, 8259640), (31, 6128120), (40, 4749293), (46, 4129820), (62, 3064060), (92, 2064910), (115, 1651928), (124, 1532030), (155, 1225624), (184, 1032455), (230, 825964), (248, 766015), (310, 612812), (460, 412982), (620, 306406), (713, 266440), (920, 206491), (1240, 153203), (1426, 133220), (2852, 66610), (3565, 53288), (5704, 33305), (6661, 28520), (7130, 26644), (13322, 14260)]