209182820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3313}}^1$

素因数の和:3381

約数の個数: 96

約数和(自身を含む): 561206016

約数和(自身を除く): 352023196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 451, 574, 770, 820, 902, 1148, 1435, 1540, 1804, 2255, 2870, 3157, 3313, 4510, 5740, 6314, 6626, 9020, 12628, 13252, 15785, 16565, 23191, 31570, 33130, 36443, 46382, 63140, 66260, 72886, 92764, 115955, 135833, 145772, 182215, 231910, 255101, 271666, 364430, 463820, 510202, 543332, 679165, 728860, 950831, 1020404, 1275505, 1358330, 1494163, 1901662, 2551010, 2716660, 2988326, 3803324, 4754155, 5102020, 5976652, 7470815, 9508310, 10459141, 14941630, 19016620, 20918282, 29883260, 41836564, 52295705, 104591410, 209182820]

約数ペア:

[(1, 209182820), (2, 104591410), (4, 52295705), (5, 41836564), (7, 29883260), (10, 20918282), (11, 19016620), (14, 14941630), (20, 10459141), (22, 9508310), (28, 7470815), (35, 5976652), (41, 5102020), (44, 4754155), (55, 3803324), (70, 2988326), (77, 2716660), (82, 2551010), (110, 1901662), (140, 1494163), (154, 1358330), (164, 1275505), (205, 1020404), (220, 950831), (287, 728860), (308, 679165), (385, 543332), (410, 510202), (451, 463820), (574, 364430), (770, 271666), (820, 255101), (902, 231910), (1148, 182215), (1435, 145772), (1540, 135833), (1804, 115955), (2255, 92764), (2870, 72886), (3157, 66260), (3313, 63140), (4510, 46382), (5740, 36443), (6314, 33130), (6626, 31570), (9020, 23191), (12628, 16565), (13252, 15785)]