440776980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1366

約数の個数: 144

約数和(自身を含む): 1533901824

約数和(自身を除く): 1093124844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 353, 420, 630, 706, 991, 1059, 1260, 1412, 1765, 1982, 2118, 2471, 2973, 3177, 3530, 3964, 4236, 4942, 4955, 5295, 5946, 6354, 6937, 7060, 7413, 8919, 9884, 9910, 10590, 11892, 12355, 12708, 13874, 14826, 14865, 15885, 17838, 19820, 20811, 21180, 22239, 24710, 27748, 29652, 29730, 31770, 34685, 35676, 37065, 41622, 44478, 44595, 49420, 59460, 62433, 63540, 69370, 74130, 83244, 88956, 89190, 104055, 111195, 124866, 138740, 148260, 178380, 208110, 222390, 249732, 312165, 349823, 416220, 444780, 624330, 699646, 1049469, 1248660, 1399292, 1749115, 2098938, 2448761, 3148407, 3498230, 4197876, 4897522, 5247345, 6296814, 6996460, 7346283, 9795044, 10494690, 12243805, 12593628, 14692566, 15742035, 20989380, 22038849, 24487610, 29385132, 31484070, 36731415, 44077698, 48975220, 62968140, 73462830, 88155396, 110194245, 146925660, 220388490, 440776980]

約数ペア:

[(1, 440776980), (2, 220388490), (3, 146925660), (4, 110194245), (5, 88155396), (6, 73462830), (7, 62968140), (9, 48975220), (10, 44077698), (12, 36731415), (14, 31484070), (15, 29385132), (18, 24487610), (20, 22038849), (21, 20989380), (28, 15742035), (30, 14692566), (35, 12593628), (36, 12243805), (42, 10494690), (45, 9795044), (60, 7346283), (63, 6996460), (70, 6296814), (84, 5247345), (90, 4897522), (105, 4197876), (126, 3498230), (140, 3148407), (180, 2448761), (210, 2098938), (252, 1749115), (315, 1399292), (353, 1248660), (420, 1049469), (630, 699646), (706, 624330), (991, 444780), (1059, 416220), (1260, 349823), (1412, 312165), (1765, 249732), (1982, 222390), (2118, 208110), (2471, 178380), (2973, 148260), (3177, 138740), (3530, 124866), (3964, 111195), (4236, 104055), (4942, 89190), (4955, 88956), (5295, 83244), (5946, 74130), (6354, 69370), (6937, 63540), (7060, 62433), (7413, 59460), (8919, 49420), (9884, 44595), (9910, 44478), (10590, 41622), (11892, 37065), (12355, 35676), (12708, 34685), (13874, 31770), (14826, 29730), (14865, 29652), (15885, 27748), (17838, 24710), (19820, 22239), (20811, 21180)]