197968640

素因数分解:

$2^8\times 5^1\times {\mathrm{211}}^1\times {\mathrm{733}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 477094128

約数和(自身を除く): 279125488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 640, 733, 844, 1055, 1280, 1466, 1688, 2110, 2932, 3376, 3665, 4220, 5864, 6752, 7330, 8440, 11728, 13504, 14660, 16880, 23456, 27008, 29320, 33760, 46912, 54016, 58640, 67520, 93824, 117280, 135040, 154663, 187648, 234560, 270080, 309326, 469120, 618652, 773315, 938240, 1237304, 1546630, 2474608, 3093260, 4949216, 6186520, 9898432, 12373040, 19796864, 24746080, 39593728, 49492160, 98984320, 197968640]

約数ペア:

[(1, 197968640), (2, 98984320), (4, 49492160), (5, 39593728), (8, 24746080), (10, 19796864), (16, 12373040), (20, 9898432), (32, 6186520), (40, 4949216), (64, 3093260), (80, 2474608), (128, 1546630), (160, 1237304), (211, 938240), (256, 773315), (320, 618652), (422, 469120), (640, 309326), (733, 270080), (844, 234560), (1055, 187648), (1280, 154663), (1466, 135040), (1688, 117280), (2110, 93824), (2932, 67520), (3376, 58640), (3665, 54016), (4220, 46912), (5864, 33760), (6752, 29320), (7330, 27008), (8440, 23456), (11728, 16880), (13504, 14660)]