209537020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1451

約数の個数: 96

約数和(自身を含む): 554351616

約数和(自身を除く): 344814596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 385, 412, 515, 721, 770, 1030, 1133, 1321, 1442, 1540, 2060, 2266, 2642, 2884, 3605, 4532, 5284, 5665, 6605, 7210, 7931, 9247, 11330, 13210, 14420, 14531, 15862, 18494, 22660, 26420, 29062, 31724, 36988, 39655, 46235, 58124, 72655, 79310, 92470, 101717, 136063, 145310, 158620, 184940, 203434, 272126, 290620, 406868, 508585, 544252, 680315, 952441, 1017170, 1360630, 1496693, 1904882, 2034340, 2721260, 2993386, 3809764, 4762205, 5986772, 7483465, 9524410, 10476851, 14966930, 19048820, 20953702, 29933860, 41907404, 52384255, 104768510, 209537020]

約数ペア:

[(1, 209537020), (2, 104768510), (4, 52384255), (5, 41907404), (7, 29933860), (10, 20953702), (11, 19048820), (14, 14966930), (20, 10476851), (22, 9524410), (28, 7483465), (35, 5986772), (44, 4762205), (55, 3809764), (70, 2993386), (77, 2721260), (103, 2034340), (110, 1904882), (140, 1496693), (154, 1360630), (206, 1017170), (220, 952441), (308, 680315), (385, 544252), (412, 508585), (515, 406868), (721, 290620), (770, 272126), (1030, 203434), (1133, 184940), (1321, 158620), (1442, 145310), (1540, 136063), (2060, 101717), (2266, 92470), (2642, 79310), (2884, 72655), (3605, 58124), (4532, 46235), (5284, 39655), (5665, 36988), (6605, 31724), (7210, 29062), (7931, 26420), (9247, 22660), (11330, 18494), (13210, 15862), (14420, 14531)]