788678980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{18367}}^1$

素因数の和:18508

約数の個数: 48

約数和(自身を含む): 1758919680

約数和(自身を除く): 970240700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 565, 1130, 2147, 2260, 4294, 8588, 10735, 18367, 21470, 36734, 42940, 73468, 91835, 183670, 348973, 367340, 697946, 1395892, 1744865, 2075471, 3489730, 4150942, 6979460, 8301884, 10377355, 20754710, 39433949, 41509420, 78867898, 157735796, 197169745, 394339490, 788678980]

約数ペア:

[(1, 788678980), (2, 394339490), (4, 197169745), (5, 157735796), (10, 78867898), (19, 41509420), (20, 39433949), (38, 20754710), (76, 10377355), (95, 8301884), (113, 6979460), (190, 4150942), (226, 3489730), (380, 2075471), (452, 1744865), (565, 1395892), (1130, 697946), (2147, 367340), (2260, 348973), (4294, 183670), (8588, 91835), (10735, 73468), (18367, 42940), (21470, 36734)]