281063720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 772623360

約数和(自身を除く): 491559640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 137, 140, 170, 238, 274, 280, 340, 431, 476, 548, 595, 680, 685, 862, 952, 959, 1096, 1190, 1370, 1724, 1918, 2155, 2329, 2380, 2740, 3017, 3448, 3836, 4310, 4658, 4760, 4795, 5480, 6034, 7327, 7672, 8620, 9316, 9590, 11645, 12068, 14654, 15085, 16303, 17240, 18632, 19180, 23290, 24136, 29308, 30170, 32606, 36635, 38360, 46580, 51289, 58616, 59047, 60340, 65212, 73270, 81515, 93160, 102578, 118094, 120680, 130424, 146540, 163030, 205156, 236188, 256445, 293080, 295235, 326060, 410312, 413329, 472376, 512890, 590470, 652120, 826658, 1003799, 1025780, 1180940, 1653316, 2007598, 2051560, 2066645, 2361880, 3306632, 4015196, 4133290, 5018995, 7026593, 8030392, 8266580, 10037990, 14053186, 16533160, 20075980, 28106372, 35132965, 40151960, 56212744, 70265930, 140531860, 281063720]

約数ペア:

[(1, 281063720), (2, 140531860), (4, 70265930), (5, 56212744), (7, 40151960), (8, 35132965), (10, 28106372), (14, 20075980), (17, 16533160), (20, 14053186), (28, 10037990), (34, 8266580), (35, 8030392), (40, 7026593), (56, 5018995), (68, 4133290), (70, 4015196), (85, 3306632), (119, 2361880), (136, 2066645), (137, 2051560), (140, 2007598), (170, 1653316), (238, 1180940), (274, 1025780), (280, 1003799), (340, 826658), (431, 652120), (476, 590470), (548, 512890), (595, 472376), (680, 413329), (685, 410312), (862, 326060), (952, 295235), (959, 293080), (1096, 256445), (1190, 236188), (1370, 205156), (1724, 163030), (1918, 146540), (2155, 130424), (2329, 120680), (2380, 118094), (2740, 102578), (3017, 93160), (3448, 81515), (3836, 73270), (4310, 65212), (4658, 60340), (4760, 59047), (4795, 58616), (5480, 51289), (6034, 46580), (7327, 38360), (7672, 36635), (8620, 32606), (9316, 30170), (9590, 29308), (11645, 24136), (12068, 23290), (14654, 19180), (15085, 18632), (16303, 17240)]