390897920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43627}}^1$

素因数の和:43655

約数の個数: 72

約数和(自身を含む): 1070107584

約数和(自身を除く): 679209664

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 43627, 87254, 174508, 218135, 305389, 349016, 436270, 610778, 698032, 872540, 1221556, 1396064, 1526945, 1745080, 2443112, 2792128, 3053890, 3490160, 4886224, 5584256, 6107780, 6980320, 9772448, 11168512, 12215560, 13960640, 19544896, 24431120, 27921280, 39089792, 48862240, 55842560, 78179584, 97724480, 195448960, 390897920]

約数ペア:

[(1, 390897920), (2, 195448960), (4, 97724480), (5, 78179584), (7, 55842560), (8, 48862240), (10, 39089792), (14, 27921280), (16, 24431120), (20, 19544896), (28, 13960640), (32, 12215560), (35, 11168512), (40, 9772448), (56, 6980320), (64, 6107780), (70, 5584256), (80, 4886224), (112, 3490160), (128, 3053890), (140, 2792128), (160, 2443112), (224, 1745080), (256, 1526945), (280, 1396064), (320, 1221556), (448, 872540), (560, 698032), (640, 610778), (896, 436270), (1120, 349016), (1280, 305389), (1792, 218135), (2240, 174508), (4480, 87254), (8960, 43627)]