419904240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{249943}}^1$

素因数の和:249966

約数の個数: 80

約数和(自身を含む): 1487666688

約数和(自身を除く): 1067762448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 249943, 499886, 749829, 999772, 1249715, 1499658, 1749601, 1999544, 2499430, 2999316, 3499202, 3749145, 3999088, 4998860, 5248803, 5998632, 6998404, 7498290, 8748005, 9997720, 10497606, 11997264, 13996808, 14996580, 17496010, 19995440, 20995212, 26244015, 27993616, 29993160, 34992020, 41990424, 52488030, 59986320, 69984040, 83980848, 104976060, 139968080, 209952120, 419904240]

約数ペア:

[(1, 419904240), (2, 209952120), (3, 139968080), (4, 104976060), (5, 83980848), (6, 69984040), (7, 59986320), (8, 52488030), (10, 41990424), (12, 34992020), (14, 29993160), (15, 27993616), (16, 26244015), (20, 20995212), (21, 19995440), (24, 17496010), (28, 14996580), (30, 13996808), (35, 11997264), (40, 10497606), (42, 9997720), (48, 8748005), (56, 7498290), (60, 6998404), (70, 5998632), (80, 5248803), (84, 4998860), (105, 3999088), (112, 3749145), (120, 3499202), (140, 2999316), (168, 2499430), (210, 1999544), (240, 1749601), (280, 1499658), (336, 1249715), (420, 999772), (560, 749829), (840, 499886), (1680, 249943)]