38129840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 105341472

約数和(自身を除く): 67211632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 137, 140, 142, 196, 245, 274, 280, 284, 355, 392, 490, 497, 548, 560, 568, 685, 710, 784, 959, 980, 994, 1096, 1136, 1370, 1420, 1918, 1960, 1988, 2192, 2485, 2740, 2840, 3479, 3836, 3920, 3976, 4795, 4970, 5480, 5680, 6713, 6958, 7672, 7952, 9590, 9727, 9940, 10960, 13426, 13916, 15344, 17395, 19180, 19454, 19880, 26852, 27832, 33565, 34790, 38360, 38908, 39760, 48635, 53704, 55664, 67130, 68089, 69580, 76720, 77816, 97270, 107408, 134260, 136178, 139160, 155632, 194540, 268520, 272356, 278320, 340445, 389080, 476623, 537040, 544712, 680890, 778160, 953246, 1089424, 1361780, 1906492, 2383115, 2723560, 3812984, 4766230, 5447120, 7625968, 9532460, 19064920, 38129840]

約数ペア:

[(1, 38129840), (2, 19064920), (4, 9532460), (5, 7625968), (7, 5447120), (8, 4766230), (10, 3812984), (14, 2723560), (16, 2383115), (20, 1906492), (28, 1361780), (35, 1089424), (40, 953246), (49, 778160), (56, 680890), (70, 544712), (71, 537040), (80, 476623), (98, 389080), (112, 340445), (137, 278320), (140, 272356), (142, 268520), (196, 194540), (245, 155632), (274, 139160), (280, 136178), (284, 134260), (355, 107408), (392, 97270), (490, 77816), (497, 76720), (548, 69580), (560, 68089), (568, 67130), (685, 55664), (710, 53704), (784, 48635), (959, 39760), (980, 38908), (994, 38360), (1096, 34790), (1136, 33565), (1370, 27832), (1420, 26852), (1918, 19880), (1960, 19454), (1988, 19180), (2192, 17395), (2485, 15344), (2740, 13916), (2840, 13426), (3479, 10960), (3836, 9940), (3920, 9727), (3976, 9590), (4795, 7952), (4970, 7672), (5480, 6958), (5680, 6713)]