354959920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 240

約数和(自身を含む): 1042219008

約数和(自身を除く): 687259088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 49, 56, 62, 70, 80, 92, 98, 112, 115, 124, 127, 140, 155, 161, 184, 196, 217, 230, 245, 248, 254, 280, 310, 322, 368, 392, 434, 460, 490, 496, 508, 560, 620, 635, 644, 713, 784, 805, 868, 889, 920, 980, 1016, 1085, 1127, 1240, 1270, 1288, 1426, 1519, 1610, 1736, 1778, 1840, 1960, 2032, 2170, 2254, 2480, 2540, 2576, 2852, 2921, 3038, 3220, 3472, 3556, 3565, 3920, 3937, 4340, 4445, 4508, 4991, 5080, 5635, 5704, 5842, 6076, 6223, 6440, 7112, 7130, 7595, 7874, 8680, 8890, 9016, 9982, 10160, 11270, 11408, 11684, 12152, 12446, 12880, 14224, 14260, 14605, 15190, 15748, 17360, 17780, 18032, 19685, 19964, 20447, 22540, 23368, 24304, 24892, 24955, 27559, 28520, 29210, 30380, 31115, 31496, 34937, 35560, 39370, 39928, 40894, 45080, 46736, 49784, 49910, 55118, 57040, 58420, 60760, 62230, 62992, 69874, 71120, 78740, 79856, 81788, 90160, 90551, 99568, 99820, 102235, 110236, 116840, 121520, 124460, 137795, 139748, 143129, 157480, 163576, 174685, 181102, 192913, 199640, 204470, 220472, 233680, 248920, 275590, 279496, 286258, 314960, 327152, 349370, 362204, 385826, 399280, 408940, 440944, 452755, 497840, 551180, 558992, 572516, 633857, 698740, 715645, 724408, 771652, 817880, 905510, 964565, 1102360, 1145032, 1267714, 1397480, 1431290, 1448816, 1543304, 1635760, 1811020, 1929130, 2204720, 2290064, 2535428, 2794960, 2862580, 3086608, 3169285, 3622040, 3858260, 4436999, 5070856, 5725160, 6338570, 7244080, 7716520, 8873998, 10141712, 11450320, 12677140, 15433040, 17747996, 22184995, 25354280, 35495992, 44369990, 50708560, 70991984, 88739980, 177479960, 354959920]

約数ペア:

[(1, 354959920), (2, 177479960), (4, 88739980), (5, 70991984), (7, 50708560), (8, 44369990), (10, 35495992), (14, 25354280), (16, 22184995), (20, 17747996), (23, 15433040), (28, 12677140), (31, 11450320), (35, 10141712), (40, 8873998), (46, 7716520), (49, 7244080), (56, 6338570), (62, 5725160), (70, 5070856), (80, 4436999), (92, 3858260), (98, 3622040), (112, 3169285), (115, 3086608), (124, 2862580), (127, 2794960), (140, 2535428), (155, 2290064), (161, 2204720), (184, 1929130), (196, 1811020), (217, 1635760), (230, 1543304), (245, 1448816), (248, 1431290), (254, 1397480), (280, 1267714), (310, 1145032), (322, 1102360), (368, 964565), (392, 905510), (434, 817880), (460, 771652), (490, 724408), (496, 715645), (508, 698740), (560, 633857), (620, 572516), (635, 558992), (644, 551180), (713, 497840), (784, 452755), (805, 440944), (868, 408940), (889, 399280), (920, 385826), (980, 362204), (1016, 349370), (1085, 327152), (1127, 314960), (1240, 286258), (1270, 279496), (1288, 275590), (1426, 248920), (1519, 233680), (1610, 220472), (1736, 204470), (1778, 199640), (1840, 192913), (1960, 181102), (2032, 174685), (2170, 163576), (2254, 157480), (2480, 143129), (2540, 139748), (2576, 137795), (2852, 124460), (2921, 121520), (3038, 116840), (3220, 110236), (3472, 102235), (3556, 99820), (3565, 99568), (3920, 90551), (3937, 90160), (4340, 81788), (4445, 79856), (4508, 78740), (4991, 71120), (5080, 69874), (5635, 62992), (5704, 62230), (5842, 60760), (6076, 58420), (6223, 57040), (6440, 55118), (7112, 49910), (7130, 49784), (7595, 46736), (7874, 45080), (8680, 40894), (8890, 39928), (9016, 39370), (9982, 35560), (10160, 34937), (11270, 31496), (11408, 31115), (11684, 30380), (12152, 29210), (12446, 28520), (12880, 27559), (14224, 24955), (14260, 24892), (14605, 24304), (15190, 23368), (15748, 22540), (17360, 20447), (17780, 19964), (18032, 19685)]