390428080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:891

約数の個数: 120

約数和(自身を含む): 1065119328

約数和(自身を除く): 674691248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 196, 245, 274, 280, 392, 490, 548, 560, 685, 727, 784, 959, 980, 1096, 1370, 1454, 1918, 1960, 2192, 2740, 2908, 3635, 3836, 3920, 4795, 5089, 5480, 5816, 6713, 7270, 7672, 9590, 10178, 10960, 11632, 13426, 14540, 15344, 19180, 20356, 25445, 26852, 29080, 33565, 35623, 38360, 40712, 50890, 53704, 58160, 67130, 71246, 76720, 81424, 99599, 101780, 107408, 134260, 142492, 178115, 199198, 203560, 268520, 284984, 356230, 398396, 407120, 497995, 537040, 569968, 697193, 712460, 796792, 995990, 1394386, 1424920, 1593584, 1991980, 2788772, 2849840, 3485965, 3983960, 4880351, 5577544, 6971930, 7967920, 9760702, 11155088, 13943860, 19521404, 24401755, 27887720, 39042808, 48803510, 55775440, 78085616, 97607020, 195214040, 390428080]

約数ペア:

[(1, 390428080), (2, 195214040), (4, 97607020), (5, 78085616), (7, 55775440), (8, 48803510), (10, 39042808), (14, 27887720), (16, 24401755), (20, 19521404), (28, 13943860), (35, 11155088), (40, 9760702), (49, 7967920), (56, 6971930), (70, 5577544), (80, 4880351), (98, 3983960), (112, 3485965), (137, 2849840), (140, 2788772), (196, 1991980), (245, 1593584), (274, 1424920), (280, 1394386), (392, 995990), (490, 796792), (548, 712460), (560, 697193), (685, 569968), (727, 537040), (784, 497995), (959, 407120), (980, 398396), (1096, 356230), (1370, 284984), (1454, 268520), (1918, 203560), (1960, 199198), (2192, 178115), (2740, 142492), (2908, 134260), (3635, 107408), (3836, 101780), (3920, 99599), (4795, 81424), (5089, 76720), (5480, 71246), (5816, 67130), (6713, 58160), (7270, 53704), (7672, 50890), (9590, 40712), (10178, 38360), (10960, 35623), (11632, 33565), (13426, 29080), (14540, 26852), (15344, 25445), (19180, 20356)]