311926540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{13693}}^1$

素因数の和:13786

約数の個数: 48

約数和(自身を含む): 703981152

約数和(自身を除く): 392054612

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 4556, 5695, 11390, 13693, 22780, 27386, 54772, 68465, 136930, 232781, 273860, 465562, 917431, 931124, 1163905, 1834862, 2327810, 3669724, 4587155, 4655620, 9174310, 15596327, 18348620, 31192654, 62385308, 77981635, 155963270, 311926540]

約数ペア:

[(1, 311926540), (2, 155963270), (4, 77981635), (5, 62385308), (10, 31192654), (17, 18348620), (20, 15596327), (34, 9174310), (67, 4655620), (68, 4587155), (85, 3669724), (134, 2327810), (170, 1834862), (268, 1163905), (335, 931124), (340, 917431), (670, 465562), (1139, 273860), (1340, 232781), (2278, 136930), (4556, 68465), (5695, 54772), (11390, 27386), (13693, 22780)]