349121920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{77929}}^1$

素因数の和:77955

約数の個数: 64

約数和(自身を含む): 953863200

約数和(自身を除く): 604741280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 77929, 155858, 311716, 389645, 545503, 623432, 779290, 1091006, 1246864, 1558580, 2182012, 2493728, 2727515, 3117160, 4364024, 4987456, 5455030, 6234320, 8728048, 9974912, 10910060, 12468640, 17456096, 21820120, 24937280, 34912192, 43640240, 49874560, 69824384, 87280480, 174560960, 349121920]

約数ペア:

[(1, 349121920), (2, 174560960), (4, 87280480), (5, 69824384), (7, 49874560), (8, 43640240), (10, 34912192), (14, 24937280), (16, 21820120), (20, 17456096), (28, 12468640), (32, 10910060), (35, 9974912), (40, 8728048), (56, 6234320), (64, 5455030), (70, 4987456), (80, 4364024), (112, 3117160), (128, 2727515), (140, 2493728), (160, 2182012), (224, 1558580), (280, 1246864), (320, 1091006), (448, 779290), (560, 623432), (640, 545503), (896, 389645), (1120, 311716), (2240, 155858), (4480, 77929)]