91688680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 218534400

約数和(自身を除く): 126845720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 380, 446, 541, 760, 892, 1082, 1115, 1784, 2164, 2230, 2705, 4237, 4328, 4460, 5410, 8474, 8920, 10279, 10820, 16948, 20558, 21185, 21640, 33896, 41116, 42370, 51395, 82232, 84740, 102790, 120643, 169480, 205580, 241286, 411160, 482572, 603215, 965144, 1206430, 2292217, 2412860, 4584434, 4825720, 9168868, 11461085, 18337736, 22922170, 45844340, 91688680]

約数ペア:

[(1, 91688680), (2, 45844340), (4, 22922170), (5, 18337736), (8, 11461085), (10, 9168868), (19, 4825720), (20, 4584434), (38, 2412860), (40, 2292217), (76, 1206430), (95, 965144), (152, 603215), (190, 482572), (223, 411160), (380, 241286), (446, 205580), (541, 169480), (760, 120643), (892, 102790), (1082, 84740), (1115, 82232), (1784, 51395), (2164, 42370), (2230, 41116), (2705, 33896), (4237, 21640), (4328, 21185), (4460, 20558), (5410, 16948), (8474, 10820), (8920, 10279)]