2019507280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^2$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 5500147968

約数和(自身を除く): 3480640688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 277, 280, 329, 376, 470, 554, 560, 658, 752, 940, 1108, 1316, 1385, 1645, 1880, 1939, 2216, 2632, 2770, 3290, 3760, 3878, 4432, 5264, 5540, 6580, 7756, 9695, 11080, 13019, 13160, 15512, 19390, 22160, 26038, 26320, 31024, 38780, 52076, 65095, 76729, 77560, 91133, 104152, 130190, 153458, 155120, 182266, 208304, 260380, 306916, 364532, 383645, 455665, 520760, 537103, 613832, 729064, 767290, 911330, 1041520, 1074206, 1227664, 1458128, 1534580, 1822660, 2148412, 2685515, 3069160, 3606263, 3645320, 4296824, 5371030, 6138320, 7212526, 7290640, 8593648, 10742060, 14425052, 18031315, 21484120, 25243841, 28850104, 36062630, 42968240, 50487682, 57700208, 72125260, 100975364, 126219205, 144250520, 201950728, 252438410, 288501040, 403901456, 504876820, 1009753640, 2019507280]

約数ペア:

[(1, 2019507280), (2, 1009753640), (4, 504876820), (5, 403901456), (7, 288501040), (8, 252438410), (10, 201950728), (14, 144250520), (16, 126219205), (20, 100975364), (28, 72125260), (35, 57700208), (40, 50487682), (47, 42968240), (56, 36062630), (70, 28850104), (80, 25243841), (94, 21484120), (112, 18031315), (140, 14425052), (188, 10742060), (235, 8593648), (277, 7290640), (280, 7212526), (329, 6138320), (376, 5371030), (470, 4296824), (554, 3645320), (560, 3606263), (658, 3069160), (752, 2685515), (940, 2148412), (1108, 1822660), (1316, 1534580), (1385, 1458128), (1645, 1227664), (1880, 1074206), (1939, 1041520), (2216, 911330), (2632, 767290), (2770, 729064), (3290, 613832), (3760, 537103), (3878, 520760), (4432, 455665), (5264, 383645), (5540, 364532), (6580, 306916), (7756, 260380), (9695, 208304), (11080, 182266), (13019, 155120), (13160, 153458), (15512, 130190), (19390, 104152), (22160, 91133), (26038, 77560), (26320, 76729), (31024, 65095), (38780, 52076)]