628017920

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2741}}^1$

素因数の和:2941

約数の個数: 72

約数和(自身を含む): 1513254960

約数和(自身を除く): 885237040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 320, 358, 640, 716, 895, 1280, 1432, 1790, 2741, 2864, 3580, 5482, 5728, 7160, 10964, 11456, 13705, 14320, 21928, 22912, 27410, 28640, 43856, 45824, 54820, 57280, 87712, 109640, 114560, 175424, 219280, 229120, 350848, 438560, 490639, 701696, 877120, 981278, 1754240, 1962556, 2453195, 3508480, 3925112, 4906390, 7850224, 9812780, 15700448, 19625560, 31400896, 39251120, 62801792, 78502240, 125603584, 157004480, 314008960, 628017920]

約数ペア:

[(1, 628017920), (2, 314008960), (4, 157004480), (5, 125603584), (8, 78502240), (10, 62801792), (16, 39251120), (20, 31400896), (32, 19625560), (40, 15700448), (64, 9812780), (80, 7850224), (128, 4906390), (160, 3925112), (179, 3508480), (256, 2453195), (320, 1962556), (358, 1754240), (640, 981278), (716, 877120), (895, 701696), (1280, 490639), (1432, 438560), (1790, 350848), (2741, 229120), (2864, 219280), (3580, 175424), (5482, 114560), (5728, 109640), (7160, 87712), (10964, 57280), (11456, 54820), (13705, 45824), (14320, 43856), (21928, 28640), (22912, 27410)]