263768260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 709720704

約数和(自身を除く): 445952444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 307, 323, 340, 361, 380, 476, 532, 595, 614, 646, 665, 722, 1190, 1228, 1292, 1330, 1444, 1535, 1615, 1805, 2149, 2261, 2380, 2527, 2660, 3070, 3230, 3610, 4298, 4522, 5054, 5219, 5833, 6137, 6140, 6460, 7220, 8596, 9044, 10108, 10438, 10745, 11305, 11666, 12274, 12635, 20876, 21490, 22610, 23332, 24548, 25270, 26095, 29165, 30685, 36533, 40831, 42959, 42980, 45220, 50540, 52190, 58330, 61370, 73066, 81662, 85918, 99161, 104380, 110827, 116660, 122740, 146132, 163324, 171836, 182665, 198322, 204155, 214795, 221654, 365330, 396644, 408310, 429590, 443308, 495805, 554135, 694127, 730660, 775789, 816620, 859180, 991610, 1108270, 1388254, 1551578, 1884059, 1983220, 2216540, 2776508, 3103156, 3470635, 3768118, 3878945, 6941270, 7536236, 7757890, 9420295, 13188413, 13882540, 15515780, 18840590, 26376826, 37681180, 52753652, 65942065, 131884130, 263768260]

約数ペア:

[(1, 263768260), (2, 131884130), (4, 65942065), (5, 52753652), (7, 37681180), (10, 26376826), (14, 18840590), (17, 15515780), (19, 13882540), (20, 13188413), (28, 9420295), (34, 7757890), (35, 7536236), (38, 6941270), (68, 3878945), (70, 3768118), (76, 3470635), (85, 3103156), (95, 2776508), (119, 2216540), (133, 1983220), (140, 1884059), (170, 1551578), (190, 1388254), (238, 1108270), (266, 991610), (307, 859180), (323, 816620), (340, 775789), (361, 730660), (380, 694127), (476, 554135), (532, 495805), (595, 443308), (614, 429590), (646, 408310), (665, 396644), (722, 365330), (1190, 221654), (1228, 214795), (1292, 204155), (1330, 198322), (1444, 182665), (1535, 171836), (1615, 163324), (1805, 146132), (2149, 122740), (2261, 116660), (2380, 110827), (2527, 104380), (2660, 99161), (3070, 85918), (3230, 81662), (3610, 73066), (4298, 61370), (4522, 58330), (5054, 52190), (5219, 50540), (5833, 45220), (6137, 42980), (6140, 42959), (6460, 40831), (7220, 36533), (8596, 30685), (9044, 29165), (10108, 26095), (10438, 25270), (10745, 24548), (11305, 23332), (11666, 22610), (12274, 21490), (12635, 20876)]