129390380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6949}}^1$

素因数の和:6991

約数の個数: 72

約数和(自身を含む): 332766000

約数和(自身を除く): 203375620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 6949, 9310, 13898, 18620, 27796, 34745, 48643, 69490, 97286, 132031, 138980, 194572, 243215, 264062, 340501, 486430, 528124, 660155, 681002, 924217, 972860, 1320310, 1362004, 1702505, 1848434, 2640620, 3405010, 3696868, 4621085, 6469519, 6810020, 9242170, 12939038, 18484340, 25878076, 32347595, 64695190, 129390380]

約数ペア:

[(1, 129390380), (2, 64695190), (4, 32347595), (5, 25878076), (7, 18484340), (10, 12939038), (14, 9242170), (19, 6810020), (20, 6469519), (28, 4621085), (35, 3696868), (38, 3405010), (49, 2640620), (70, 1848434), (76, 1702505), (95, 1362004), (98, 1320310), (133, 972860), (140, 924217), (190, 681002), (196, 660155), (245, 528124), (266, 486430), (380, 340501), (490, 264062), (532, 243215), (665, 194572), (931, 138980), (980, 132031), (1330, 97286), (1862, 69490), (2660, 48643), (3724, 34745), (4655, 27796), (6949, 18620), (9310, 13898)]