639701076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{2423}}^1$

素因数の和:2893

約数の個数: 72

約数和(自身を含む): 1740916800

約数和(自身を除く): 1101215724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 449, 588, 898, 1347, 1796, 2423, 2694, 3143, 4846, 5388, 6286, 7269, 9429, 9692, 12572, 14538, 16961, 18858, 22001, 29076, 33922, 37716, 44002, 50883, 66003, 67844, 88004, 101766, 118727, 132006, 203532, 237454, 264012, 356181, 474908, 712362, 1087927, 1424724, 2175854, 3263781, 4351708, 6527562, 7615489, 13055124, 15230978, 22846467, 30461956, 45692934, 53308423, 91385868, 106616846, 159925269, 213233692, 319850538, 639701076]

約数ペア:

[(1, 639701076), (2, 319850538), (3, 213233692), (4, 159925269), (6, 106616846), (7, 91385868), (12, 53308423), (14, 45692934), (21, 30461956), (28, 22846467), (42, 15230978), (49, 13055124), (84, 7615489), (98, 6527562), (147, 4351708), (196, 3263781), (294, 2175854), (449, 1424724), (588, 1087927), (898, 712362), (1347, 474908), (1796, 356181), (2423, 264012), (2694, 237454), (3143, 203532), (4846, 132006), (5388, 118727), (6286, 101766), (7269, 88004), (9429, 67844), (9692, 66003), (12572, 50883), (14538, 44002), (16961, 37716), (18858, 33922), (22001, 29076)]