189028640

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4597}}^1$

素因数の和:4869

約数の個数: 48

約数和(自身を含む): 448415352

約数和(自身を除く): 259386712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2570, 4112, 4597, 5140, 8224, 9194, 10280, 18388, 20560, 22985, 36776, 41120, 45970, 73552, 91940, 147104, 183880, 367760, 735520, 1181429, 2362858, 4725716, 5907145, 9451432, 11814290, 18902864, 23628580, 37805728, 47257160, 94514320, 189028640]

約数ペア:

[(1, 189028640), (2, 94514320), (4, 47257160), (5, 37805728), (8, 23628580), (10, 18902864), (16, 11814290), (20, 9451432), (32, 5907145), (40, 4725716), (80, 2362858), (160, 1181429), (257, 735520), (514, 367760), (1028, 183880), (1285, 147104), (2056, 91940), (2570, 73552), (4112, 45970), (4597, 41120), (5140, 36776), (8224, 22985), (9194, 20560), (10280, 18388)]