4990720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{557}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 13686624

約数和(自身を除く): 8695904

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, 557, 560, 640, 896, 1114, 1120, 1280, 1792, 2228, 2240, 2785, 3899, 4456, 4480, 5570, 7798, 8912, 8960, 11140, 15596, 17824, 19495, 22280, 31192, 35648, 38990, 44560, 62384, 71296, 77980, 89120, 124768, 142592, 155960, 178240, 249536, 311920, 356480, 499072, 623840, 712960, 998144, 1247680, 2495360, 4990720]

約数ペア:

[(1, 4990720), (2, 2495360), (4, 1247680), (5, 998144), (7, 712960), (8, 623840), (10, 499072), (14, 356480), (16, 311920), (20, 249536), (28, 178240), (32, 155960), (35, 142592), (40, 124768), (56, 89120), (64, 77980), (70, 71296), (80, 62384), (112, 44560), (128, 38990), (140, 35648), (160, 31192), (224, 22280), (256, 19495), (280, 17824), (320, 15596), (448, 11140), (557, 8960), (560, 8912), (640, 7798), (896, 5570), (1114, 4480), (1120, 4456), (1280, 3899), (1792, 2785), (2228, 2240)]