254896180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 690697728

約数和(自身を除く): 435801548

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 121, 140, 154, 164, 205, 220, 242, 287, 308, 367, 385, 410, 451, 484, 574, 605, 734, 770, 820, 847, 902, 1148, 1210, 1435, 1468, 1540, 1694, 1804, 1835, 2255, 2420, 2569, 2870, 3157, 3388, 3670, 4037, 4235, 4510, 4961, 5138, 5740, 6314, 7340, 8074, 8470, 9020, 9922, 10276, 12628, 12845, 15047, 15785, 16148, 16940, 19844, 20185, 24805, 25690, 28259, 30094, 31570, 34727, 40370, 44407, 49610, 51380, 56518, 60188, 63140, 69454, 75235, 80740, 88814, 99220, 105329, 113036, 138908, 141295, 150470, 165517, 173635, 177628, 210658, 222035, 282590, 300940, 310849, 331034, 347270, 421316, 444070, 526645, 565180, 621698, 662068, 694540, 827585, 888140, 1053290, 1158619, 1243396, 1554245, 1655170, 1820687, 2106580, 2317238, 3108490, 3310340, 3641374, 4634476, 5793095, 6216980, 7282748, 9103435, 11586190, 12744809, 18206870, 23172380, 25489618, 36413740, 50979236, 63724045, 127448090, 254896180]

約数ペア:

[(1, 254896180), (2, 127448090), (4, 63724045), (5, 50979236), (7, 36413740), (10, 25489618), (11, 23172380), (14, 18206870), (20, 12744809), (22, 11586190), (28, 9103435), (35, 7282748), (41, 6216980), (44, 5793095), (55, 4634476), (70, 3641374), (77, 3310340), (82, 3108490), (110, 2317238), (121, 2106580), (140, 1820687), (154, 1655170), (164, 1554245), (205, 1243396), (220, 1158619), (242, 1053290), (287, 888140), (308, 827585), (367, 694540), (385, 662068), (410, 621698), (451, 565180), (484, 526645), (574, 444070), (605, 421316), (734, 347270), (770, 331034), (820, 310849), (847, 300940), (902, 282590), (1148, 222035), (1210, 210658), (1435, 177628), (1468, 173635), (1540, 165517), (1694, 150470), (1804, 141295), (1835, 138908), (2255, 113036), (2420, 105329), (2569, 99220), (2870, 88814), (3157, 80740), (3388, 75235), (3670, 69454), (4037, 63140), (4235, 60188), (4510, 56518), (4961, 51380), (5138, 49610), (5740, 44407), (6314, 40370), (7340, 34727), (8074, 31570), (8470, 30094), (9020, 28259), (9922, 25690), (10276, 24805), (12628, 20185), (12845, 19844), (15047, 16940), (15785, 16148)]