1239401540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2819}}^1$

素因数の和:2949

約数の個数: 96

約数和(自身を含む): 2984688000

約数和(自身を除く): 1745286460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 130, 178, 190, 247, 260, 356, 380, 445, 494, 890, 988, 1157, 1235, 1691, 1780, 2314, 2470, 2819, 3382, 4628, 4940, 5638, 5785, 6764, 8455, 11276, 11570, 14095, 16910, 21983, 23140, 28190, 33820, 36647, 43966, 53561, 56380, 73294, 87932, 107122, 109915, 146588, 183235, 214244, 219830, 250891, 267805, 366470, 439660, 501782, 535610, 696293, 732940, 1003564, 1071220, 1254455, 1392586, 2508910, 2785172, 3261583, 3481465, 4766929, 5017820, 6523166, 6962930, 9533858, 13046332, 13925860, 16307915, 19067716, 23834645, 32615830, 47669290, 61970077, 65231660, 95338580, 123940154, 247880308, 309850385, 619700770, 1239401540]

約数ペア:

[(1, 1239401540), (2, 619700770), (4, 309850385), (5, 247880308), (10, 123940154), (13, 95338580), (19, 65231660), (20, 61970077), (26, 47669290), (38, 32615830), (52, 23834645), (65, 19067716), (76, 16307915), (89, 13925860), (95, 13046332), (130, 9533858), (178, 6962930), (190, 6523166), (247, 5017820), (260, 4766929), (356, 3481465), (380, 3261583), (445, 2785172), (494, 2508910), (890, 1392586), (988, 1254455), (1157, 1071220), (1235, 1003564), (1691, 732940), (1780, 696293), (2314, 535610), (2470, 501782), (2819, 439660), (3382, 366470), (4628, 267805), (4940, 250891), (5638, 219830), (5785, 214244), (6764, 183235), (8455, 146588), (11276, 109915), (11570, 107122), (14095, 87932), (16910, 73294), (21983, 56380), (23140, 53561), (28190, 43966), (33820, 36647)]